Updated project files and configuration

- Added/updated .gitignore file
- Fixed remote URL configuration
- Updated project structure and files

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

ui/.github/chatmodes/OPus.chatmode.md

@@ -0,0 +1,5 @@
+---
+description: 'Description of the custom chat mode.'
+tools: []
+---
+Define the purpose of this chat mode and how AI should behave: response style, available tools, focus areas, and any mode-specific instructions or constraints.