fix: self-contained installation for all platforms

- Remove .shared folder dependency - all platforms now self-contained
- Each platform installation includes its own data/ and scripts/
- Update platform configs: reference → full install type
- Simplify template.ts: remove ensureSharedExists logic
- Update Cursor to Skill Mode (auto-activate)
- Update README to reflect Cursor in Skill Mode
- Bump CLI version to 2.2.2

Fixes issue where users couldn't find search.py in shared folder.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "uipro-cli",
-  "version": "2.2.1",
+  "version": "2.2.2",
   "description": "CLI to install UI/UX Pro Max skill for AI coding assistants",
   "type": "module",
   "bin": {