feat: add GitHub Copilot support (#17)

- Add .github/prompts/ui-ux-pro-max.prompt.md for Copilot
- Add 'copilot' as new AI type in CLI
- Update detect utility to recognize .github folder
- Update CLAUDE.md sync rules with .github
- Update README with Copilot installation and usage
- Bump version to 1.2.0

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

Co-authored-by: Claude <noreply@anthropic.com>

cli/src/index.ts

@@ -12,7 +12,7 @@ const program = new Command();
 program
   .name('uipro')
   .description('CLI to install UI/UX Pro Max skill for AI coding assistants')
-  .version('1.1.1');
+  .version('1.2.0');
 
 program
   .command('init')

cli/src/types/index.ts

@@ -1,4 +1,4 @@
-export type AIType = 'claude' | 'cursor' | 'windsurf' | 'antigravity' | 'all';
+export type AIType = 'claude' | 'cursor' | 'windsurf' | 'antigravity' | 'copilot' | 'all';
 
 export interface Release {
   tag_name: string;
@@ -20,11 +20,12 @@ export interface InstallConfig {
   force?: boolean;
 }
 
-export const AI_TYPES: AIType[] = ['claude', 'cursor', 'windsurf', 'antigravity', 'all'];
+export const AI_TYPES: AIType[] = ['claude', 'cursor', 'windsurf', 'antigravity', 'copilot', 'all'];
 
 export const AI_FOLDERS: Record<Exclude<AIType, 'all'>, string[]> = {
   claude: ['.claude'],
   cursor: ['.cursor', '.shared'],
   windsurf: ['.windsurf', '.shared'],
   antigravity: ['.agent', '.shared'],
+  copilot: ['.github', '.shared'],
 };

cli/src/utils/detect.ts

@@ -22,6 +22,9 @@ export function detectAIType(cwd: string = process.cwd()): DetectionResult {
   if (existsSync(join(cwd, '.agent'))) {
     detected.push('antigravity');
   }
+  if (existsSync(join(cwd, '.github'))) {
+    detected.push('copilot');
+  }
 
   // Suggest based on what's detected
   let suggested: AIType | null = null;
@@ -44,6 +47,8 @@ export function getAITypeDescription(aiType: AIType): string {
       return 'Windsurf (.windsurf/workflows/ + .shared/)';
     case 'antigravity':
       return 'Antigravity (.agent/workflows/ + .shared/)';
+    case 'copilot':
+      return 'GitHub Copilot (.github/prompts/ + .shared/)';
     case 'all':
       return 'All AI assistants';
   }