- Add `*.log` to `.gitignore` to exclude log files from version control.
- Change `auth_handler` to `pub` in `src/auth/mod.rs` to make the endpoint publicly accessible.
- Remove unused `bot_index` import and route; replace direct service registration with `web_server::configure_app` in `src/main.rs`.
- Refactor `src/web_server/mod.rs`:
- Remove the `bot_index` handler.
- Introduce `serve_html` helper for loading HTML pages.
- Simplify static file serving by configuring separate routes for JS and CSS assets.
- Centralize all route and static file configuration in `configure_app`.
- Clean up related imports and improve error handling for missing pages.
- Added a new "Chat" link in the desktop navigation bar with appropriate click handling and active state styling.
- Updated the layout configuration to include the Chat section, mapping it to `chat/chat.html`.
- Enables users to switch to the Chat interface directly from the main navigation.
