Add CI/CD workflows and templates from QuickApiMapper reference

.github/CODEOWNERS

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+# Code Owners for PatternKit
+# These users will be automatically requested for review when PRs are opened
+
+# Global owners
+* @jerrettdavis
+
+# Workflows and CI/CD
+/.github/ @jerrettdavis
+
+# Documentation
+/docs/ @jerrettdavis
+*.md @jerrettdavis
+
+# Core library
+/src/PatternKit.Core/ @jerrettdavis
+
+# Generators
+/src/PatternKit.Generators/ @jerrettdavis
+/src/PatternKit.Generators.Abstractions/ @jerrettdavis
+
+# Examples
+/src/PatternKit.Examples/ @jerrettdavis
+
+# Tests
+/test/ @jerrettdavis

.github/ISSUE_TEMPLATE/bug_report.yml

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+name: Bug Report
+description: File a bug report to help us improve PatternKit
+title: "[Bug]: "
+labels: ["bug", "triage"]
+assignees:
+  - jerrettdavis
+
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for taking the time to fill out this bug report!
+
+  - type: textarea
+    id: description
+    attributes:
+      label: Description
+      description: A clear and concise description of what the bug is.
+      placeholder: Tell us what happened!
+    validations:
+      required: true
+
+  - type: textarea
+    id: reproduce
+    attributes:
+      label: Steps to Reproduce
+      description: Steps to reproduce the behavior
+      placeholder: |
+        1. Create a pattern with '...'
+        2. Call method '....'
+        3. Pass parameters '....'
+        4. See error
+    validations:
+      required: true
+
+  - type: textarea
+    id: expected
+    attributes:
+      label: Expected Behavior
+      description: A clear and concise description of what you expected to happen.
+    validations:
+      required: true
+
+  - type: textarea
+    id: actual
+    attributes:
+      label: Actual Behavior
+      description: What actually happened instead.
+    validations:
+      required: true
+
+  - type: dropdown
+    id: component
+    attributes:
+      label: Component
+      description: Which component is affected?
+      options:
+        - Core Library
+        - Generators
+        - Source Generation
+        - Behavioral Patterns
+        - Creational Patterns
+        - Structural Patterns
+        - Documentation
+        - Examples
+        - Other
+    validations:
+      required: true
+
+  - type: input
+    id: version
+    attributes:
+      label: Version
+      description: What version of PatternKit are you using?
+      placeholder: "0.1.0"
+    validations:
+      required: true
+
+  - type: dropdown
+    id: dotnet-version
+    attributes:
+      label: .NET Version
+      description: What version of .NET are you using?
+      options:
+        - ".NET 10.0"
+        - ".NET 9.0"
+        - Other
+    validations:
+      required: true
+
+  - type: input
+    id: os
+    attributes:
+      label: Operating System
+      description: What operating system are you using?
+      placeholder: "Windows 11, Ubuntu 22.04, macOS 14"
+    validations:
+      required: true
+
+  - type: textarea
+    id: code-sample
+    attributes:
+      label: Code Sample
+      description: Please provide a minimal code sample that reproduces the issue.
+      render: csharp
+      placeholder: |
+        var strategy = Strategy<int, string>.Create()
+            .When(i => i > 0).Then(i => "positive")
+            .Build();
+
+  - type: textarea
+    id: logs
+    attributes:
+      label: Logs / Stack Trace
+      description: Please copy and paste any relevant log output or stack traces.
+      render: shell
+
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional Context
+      description: Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.yml

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+name: Feature Request
+description: Suggest an idea for PatternKit
+title: "[Feature]: "
+labels: ["enhancement", "triage"]
+assignees:
+  - jerrettdavis
+
+body:
+  - type: markdown
+    attributes:
+      value: |
+        Thanks for suggesting a new feature!
+
+  - type: textarea
+    id: problem
+    attributes:
+      label: Problem Statement
+      description: Is your feature request related to a problem? Please describe.
+      placeholder: I'm always frustrated when...
+    validations:
+      required: true
+
+  - type: textarea
+    id: solution
+    attributes:
+      label: Proposed Solution
+      description: Describe the solution you'd like.
+      placeholder: A clear and concise description of what you want to happen.
+    validations:
+      required: true
+
+  - type: textarea
+    id: alternatives
+    attributes:
+      label: Alternatives Considered
+      description: Describe alternatives you've considered.
+      placeholder: A clear and concise description of any alternative solutions or features you've considered.
+
+  - type: dropdown
+    id: component
+    attributes:
+      label: Component
+      description: Which component would this feature affect?
+      options:
+        - Core Library
+        - Generators
+        - Source Generation
+        - New Pattern (Behavioral)
+        - New Pattern (Creational)
+        - New Pattern (Structural)
+        - Documentation
+        - Examples
+        - Build/CI
+        - Other
+    validations:
+      required: true
+
+  - type: dropdown
+    id: priority
+    attributes:
+      label: Priority
+      description: How important is this feature to you?
+      options:
+        - Low (Nice to have)
+        - Medium (Would improve workflow)
+        - High (Blocking current work)
+        - Critical (Blocking production use)
+    validations:
+      required: true
+
+  - type: checkboxes
+    id: contribution
+    attributes:
+      label: Contribution
+      description: Are you willing to contribute this feature?
+      options:
+        - label: I am willing to submit a PR to implement this feature
+        - label: I can help test this feature when implemented
+
+  - type: textarea
+    id: use-case
+    attributes:
+      label: Use Case
+      description: Describe a specific use case for this feature.
+      placeholder: |
+        As a [developer type], I want to [action] so that [benefit].
+
+  - type: textarea
+    id: code-example
+    attributes:
+      label: Example Usage (Optional)
+      description: If applicable, show how you envision using this feature.
+      render: csharp
+      placeholder: |
+        // Example of how the feature would be used
+        var pattern = NewPattern<T>.Create()
+            .Configure(...)
+            .Build();
+
+  - type: textarea
+    id: additional
+    attributes:
+      label: Additional Context
+      description: Add any other context, mockups, or examples about the feature request here.

.github/PULL_REQUEST_TEMPLATE.md

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+# Description
+
+Please include a summary of the changes and which issue is fixed. Include relevant motivation and context.
+
+Fixes # (issue)
+
+## Type of Change
+
+Please delete options that are not relevant.
+
+- [ ] Bug fix (non-breaking change which fixes an issue)
+- [ ] New feature (non-breaking change which adds functionality)
+- [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
+- [ ] Documentation update
+- [ ] Performance improvement
+- [ ] Code refactoring
+- [ ] Build/CI changes
+
+## How Has This Been Tested?
+
+Please describe the tests that you ran to verify your changes. Provide instructions so we can reproduce.
+
+- [ ] Unit tests
+- [ ] Integration tests
+- [ ] Manual testing
+
+**Test Configuration**:
+- .NET version:
+- OS:
+
+## Checklist
+
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] I have added tests that prove my fix is effective or that my feature works
+- [ ] New and existing unit tests pass locally with my changes
+- [ ] Any dependent changes have been merged and published
+
+## Screenshots (if applicable)
+
+Add screenshots to help explain your changes.
+
+## Additional Context
+
+Add any other context about the pull request here.