docs: update README, fix counts, change Windsurf to skill mode (#129)

- Remove Manual Installation section from README
- Add 67 styles table with # | Style | Best For format
- Update Supported Stacks table with all 13 stacks
- Simplify Usage section: group by Skill mode vs Workflow mode
- Fix counts: 57 font pairings (was 56), 99 UX guidelines (was 98)
- Change Windsurf from Workflow to Skill mode
- Update CLAUDE.md: remove prompt domain, add missing stacks
- Bump CLI version to 2.2.1

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

.claude-plugin/marketplace.json

@@ -5,15 +5,15 @@
     "name": "nextlevelbuilder"
   },
   "metadata": {
-    "description": "UI/UX design intelligence skill with 50 styles, 21 palettes, 50 font pairings, 20 charts, and 9 stack guidelines",
-    "version": "2.0.1"
+    "description": "UI/UX design intelligence skill with 67 styles, 96 palettes, 57 font pairings, 25 charts, and 13 stack guidelines",
+    "version": "2.2.1"
   },
   "plugins": [
     {
       "name": "ui-ux-pro-max",
       "source": "./",
-      "description": "Professional UI/UX design intelligence for AI coding assistants. Includes searchable databases of styles, colors, typography, charts, and UX guidelines for React, Next.js, Vue, Svelte, SwiftUI, React Native, Flutter, Tailwind, and shadcn/ui.",
-      "version": "2.0.1",
+      "description": "Professional UI/UX design intelligence for AI coding assistants. Includes searchable databases of styles, colors, typography, charts, and UX guidelines for React, Next.js, Astro, Vue, Nuxt.js, Nuxt UI, Svelte, SwiftUI, React Native, Flutter, Tailwind, shadcn/ui, and Jetpack Compose.",
+      "version": "2.2.1",
       "author": {
         "name": "nextlevelbuilder"
       },