feat: dynamic template lists by fetching them from registry url

Author: beeman

package.json

@@ -67,6 +67,7 @@
   },
   "packageManager": "pnpm@10.5.2",
   "dependencies": {
+    "@beeman/repokit": "0.0.0-canary-20250801172233",
     "@clack/prompts": "^0.7.0",
     "commander": "^13.1.0",
     "giget": "^1.2.4",