Add ember-inflector

Author: RobbieTheWagner

package.json

@@ -136,6 +136,7 @@
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
     "ember-data": "~5.3.9",
+    "ember-inflector": "^5.0.2",
     "ember-load-initializers": "^2.1.2",
     "ember-qunit": "^8.1.1",
     "ember-resolver": "^11.0.1",
@@ -169,6 +170,7 @@
     "@ember-data/store": ">= 3.0.0",
     "@ember/string": "^3.1.1 || ^4.0.0",
     "ember-data": ">= 3.0.0",
+    "ember-inflector": ">= 4.0.0",
     "ember-source": ">= 4.0.0"
   },
   "peerDependenciesMeta": {