A few more dx updates

Author: bendemboski

package.json

@@ -6,19 +6,22 @@
   "license": "MIT",
   "author": "Ben Demboski",
   "scripts": {
-    "build": "pnpm --filter 'ember-add-listener-helper' build",
+    "build": "pnpm --filter ember-add-listener-helper build",
+    "preinstall": "npx only-allow pnpm",
     "lint": "pnpm --filter '*' lint",
     "lint:fix": "pnpm --filter '*' lint:fix",
     "prepare": "pnpm build",
-    "test": "pnpm --filter '*' test",
-    "release": "dotenv release-it"
+    "release": "dotenv release-it",
+    "start": "concurrently 'npm:start:*' --restart-after 5000 --prefix-colors cyan,white,yellow",
+    "start:addon": "pnpm --filter ember-add-listener-helper start --no-watch.clearScreen",
+    "start:test-app": "pnpm --filter test-app start",
+    "test": "pnpm --filter '*' test:ember"
   },
   "devDependencies": {
     "@release-it-plugins/lerna-changelog": "^6.0.0",
     "@release-it-plugins/workspaces": "^4.0.0",
     "concurrently": "^8.2.0",
     "dotenv-cli": "^7.2.1",
-    "prettier": "^3.0.0",
     "release-it": "^16.1.3"
   },
   "pnpm": {
@@ -55,10 +58,6 @@
     },
     "npm": false
   },
-  "engines": {
-    "yarn": "use pnpm",
-    "npm": "use pnpm"
-  },
   "volta": {
     "node": "18.12.0",
     "pnpm": "8.14.3"