Set up the base template registry

This will be used to map components to their loose mode equivalent so Glint can typecheck loose mode templates.

https://typed-ember.gitbook.io/glint/environments/ember/using-addons#using-glint-enabled-addons

Author: Windvis

addon/template-registry.ts

@@ -0,0 +1 @@
+export default interface AppuniversumRegistry {}

types/global.d.ts

@@ -1 +1,10 @@
 import '@glint/environment-ember-loose';
+
+import type AppuniversumRegistry from '@appuniversum/ember-appuniversum/template-registry';
+
+declare module '@glint/environment-ember-loose/registry' {
+  export default interface Registry
+    extends AppuniversumRegistry /* other addon registries */ {
+    // local entries
+  }
+}