Add prettier plugin so I don't have to on the bigger PR

Author: NullVoxPopuli

package.json

@@ -87,6 +87,7 @@
     "mocha": "11.7.1",
     "nyc": "17.1.0",
     "prettier": "3.6.2",
+    "prettier-plugin-ember-template-tag": "^2.1.0",
     "qunit": "2.24.1",
     "release-plan": "^0.13.1",
     "rsvp": "4.8.5",