[FEATURE]: Adding a dropdown search suggestion

[Ridima28]

Feature and its Use Cases

When a user types in the search input, the app should:
Call GitHub organization search API
Show a dropdown list of matching organizations
Allow users to click a suggestion to add it as a chip
Reduce typing effort and improve discovery

Additional Context

Something like this->

Code of Conduct

• I have joined the Discord server and will post updates there
• I have searched existing issues to avoid duplicates