feat: add uxpro-cli for easy skill installation (#4)

* feat: add uxpro-cli for easy skill installation

- Add CLI tool (uxpro-cli) with commands: init, versions, update
- Support multiple AI assistants: claude, cursor, windsurf, antigravity, all
- Update README with CLI installation guide and usage examples
- Add CC BY-NC 4.0 license
- Update feature counts to accurate numbers

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

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

* refactor: rename CLI from uxpro to uipro

- Package: uxpro-cli -> uipro-cli
- Command: uxpro -> uipro

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

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

---------

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

cli/src/types/index.ts

@@ -0,0 +1,30 @@
+export type AIType = 'claude' | 'cursor' | 'windsurf' | 'antigravity' | 'all';
+
+export interface Release {
+  tag_name: string;
+  name: string;
+  published_at: string;
+  html_url: string;
+  assets: Asset[];
+}
+
+export interface Asset {
+  name: string;
+  browser_download_url: string;
+  size: number;
+}
+
+export interface InstallConfig {
+  aiType: AIType;
+  version?: string;
+  force?: boolean;
+}
+
+export const AI_TYPES: AIType[] = ['claude', 'cursor', 'windsurf', 'antigravity', 'all'];
+
+export const AI_FOLDERS: Record<Exclude<AIType, 'all'>, string[]> = {
+  claude: ['.claude'],
+  cursor: ['.cursor', '.shared'],
+  windsurf: ['.windsurf', '.shared'],
+  antigravity: ['.agent', '.shared'],
+};