refactor: Improve The TUI Using Bubble Tea (#11)

## Summary

Improving the TUI using Bubble Tea Framework. It looks much better now.


### Changelog

- Added ChatInputModel for managing chat input, history, and approval
requests.
- Introduced UpdateHistoryMsg, SetStatusMsg, and ApprovalRequestMsg for
message handling.
- Implemented spinner animation for status updates.
- Created HelpViewerModel for displaying help information in a
structured format.
- Developed ModelSelectorModel for selecting models with search
functionality.
- Integrated Bubble Tea for UI interactions in command approval
processes.
- Updated safety and tools management to support UI-based approval.

Signed-off-by: Eden Reich <[email protected]>

---------

Signed-off-by: Eden Reich <[email protected]>

Author: edenreich

.infer/config.yaml

@@ -6,7 +6,7 @@ output:
     format: text
     quiet: false
 tools:
-    enabled: false
+    enabled: true
     whitelist:
         commands:
             - ls