fix: 🐛 add keywords back to package, as required to be an addon

addons/rose/package.json

@@ -4,6 +4,9 @@
   "description": "Styles and components for Project Watchtower.",
   "license": "MPL-2.0",
   "author": "HashiCorp",
+  "keywords": [
+    "ember-addon"
+  ],
   "scripts": {
     "build": "ember build",
     "build:production": "ember build --environment=production",