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/package.json

@@ -0,0 +1,38 @@
+{
+  "name": "uipro-cli",
+  "version": "1.0.0",
+  "description": "CLI to install UI/UX Pro Max skill for AI coding assistants",
+  "type": "module",
+  "bin": {
+    "uipro": "./dist/index.js"
+  },
+  "scripts": {
+    "build": "bun build src/index.ts --outdir dist --target node",
+    "dev": "bun run src/index.ts",
+    "prepublishOnly": "bun run build"
+  },
+  "keywords": [
+    "ui",
+    "ux",
+    "design",
+    "claude",
+    "cursor",
+    "windsurf",
+    "ai",
+    "skill"
+  ],
+  "author": "",
+  "license": "CC-BY-NC-4.0",
+  "dependencies": {
+    "commander": "^12.1.0",
+    "chalk": "^5.3.0",
+    "ora": "^8.1.1",
+    "prompts": "^2.4.2"
+  },
+  "devDependencies": {
+    "@types/bun": "^1.1.14",
+    "@types/node": "^22.10.1",
+    "@types/prompts": "^2.4.9",
+    "typescript": "^5.7.2"
+  }
+}