refactor(10.2-01): nest framework packages under modules

- Move remaining beach packages and embedded admin assets\n- Rewrite framework, example, build, and gate paths

scripts/check-admin-openapi.sh

@@ -29,7 +29,7 @@ TMP="$(mktemp -d)"
 trap 'rm -rf "$TMP"' EXIT
 
 go run github.com/swaggo/swag/cmd/swag@v1.16.6 init \
-  --dir cabana \
+  --dir modules/cabana \
   --generalInfo admin_openapi.go \
   --output "$TMP" \
   --outputTypes json \