WaterWhisperer a48d6cd336 Rename bevy_reflect's documentation feature to reflect_documentation (#21577) ...

# Objective

Fixes #14309 

## Solution

Renamed the `bevy_reflect` feature from `documentation` to
`reflect_documentation` to follow the naming convention where features
are prefixed with their module name.

## Changes

- Renamed feature `documentation` to `reflect_documentation` in:
  - `bevy_reflect/Cargo.toml`
  - `bevy_reflect/derive/Cargo.toml`
  - `bevy_internal/Cargo.toml`
- Updated all conditional compilation attributes from `#[cfg(feature =
"documentation")]` to `#[cfg(feature = "reflect_documentation")]`
- Updated example documentation in `reflect_docs.rs`

## Testing

<img width="1414" height="688" alt="截图 2025-10-17 18-52-14"
src="https://github.com/user-attachments/assets/461d827a-c958-4c0d-862d-aae25598f2f7"
/>

2025-10-19 17:30:19 +00:00

..

reflect_docs.rs

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