[IMPROVEMENT] Redirect documentation homepage to main docs

[akash9676]

The documentation homepage easier to access by automatically sending users to the main documentation version instead of showing a not found page.

New User Features

• Opening the docs root URL now redirects to the main docs page.
• Users can access documentation faster without needing a full branch path.

New Dev Features

• None

Improvements

• Better first-time experience when opening the documentation link.
• Clearer default entry point for documentation browsing.

Bug Fixes

• Fixed 404 error when visiting the root docs URL.

Known Limitations

• N/A

Future Steps

• N/A