Add umdModuleIds for external dependencies

Author: hpawe01

projects/angular2-jsonapi/ng-package.json

@@ -2,7 +2,13 @@
   "$schema": "../../node_modules/ng-packagr/ng-package.schema.json",
   "dest": "../../dist/angular2-jsonapi",
   "lib": {
-    "entryFile": "src/public-api.ts"
+    "entryFile": "src/public-api.ts",
+    "umdModuleIds": {
+      "date-fns": "date-fns",
+      "lodash": "lodash",
+      "lodash-es": "lodash-es",
+      "qs": "qs"
+    }
   },
   "whitelistedNonPeerDependencies": [
     "date-fns",