docs: update version provider install instructions

docs/config/version_provider.md

@@ -264,9 +264,18 @@ setup(
 ### Step 3: Install and Use
 
 1. Install your provider package:
-   ```bash
-   pip install -e .
-   ```
+
+    - Once your custom Commitizen provider is packaged and published (for example, to PyPI), install it like any standard Python package:
+
+        ```bash
+        pip install my-commitizen-provider
+        ```
+
+    - If you want to use the provider directly from the current project source (during development), install it in editable mode ([See pip documentation](https://pip.pypa.io/en/stable/cli/pip_install/#cmdoption-e)):
+
+        ```bash
+        pip install -e .
+        ```
 
 2. Configure Commitizen to use your provider:
    ```toml