Fix script execution issues and improve container creation

- Fixed syntax errors in build.func (duplicate export, unmatched quotes)
- Fixed color variable initialization by calling load_functions in core.func
- Replaced undefined function calls (post_to_api, post_update_to_api) with echo statements
- Fixed install script execution by copying scripts into container first
- Made create_lxc.sh executable
- Improved error handling and script sourcing
- Added missing core functions and tools
- Enhanced script downloader and local script management

src/types/script.ts

@@ -49,6 +49,9 @@ export interface ScriptCard {
   type: string;
   updateable: boolean;
   website: string | null;
+  source?: 'github' | 'local';
+  isDownloaded?: boolean;
+  localPath?: string;
 }
 
 export interface GitHubFile {