feat(agents): Add GitHub agent import feature

- Implemented GitHub agent browser in CCAgents component
- Created GitHubAgentBrowser component for browsing and importing agents
- Added Rust commands for fetching and importing agents from GitHub
- Updated API layer with GitHub agent import methods
- Updated Cargo.toml with new dependencies
- Fixed Tauri configuration and capabilities
- Added dropdown menu for import options
- Implemented search and preview functionality for GitHub agents

src-tauri/src/lib.rs

@@ -10,7 +10,6 @@ pub mod claude_binary;
 #[cfg_attr(mobile, tauri::mobile_entry_point)]
 pub fn run() {
     tauri::Builder::default()
-        .plugin(tauri_plugin_opener::init())
         .run(tauri::generate_context!())
         .expect("error while running tauri application");
 }