Bump to Beta 0.2.2

Covers all six places the version is written down: .env, the copy install.sh
keeps because it prints its banner and builds the release URL before the
archive with .env exists, the three package.json files, and the /ui/brand
example in the README.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

cli/package.json

@@ -1,6 +1,6 @@
 {
   "name": "awg-cli",
-  "version": "0.2.1",
+  "version": "0.2.2",
   "private": true,
   "dependencies": {
     "tsx": "^4.7.0",