add inspector support

Author: mansona

app/app.js

@@ -5,10 +5,14 @@ import loadInitializers from 'ember-load-initializers';
 import config from 'rfcs-app/config/environment';
 import 'ember-a11y-refocus/styles.css';
 
+import setupInspector from '@embroider/legacy-inspector-support/ember-source-4.12';
+
 export default class App extends Application {
   modulePrefix = config.modulePrefix;
   podModulePrefix = config.podModulePrefix;
   Resolver = Resolver.withModules(compatModules);
+
+  inspector = setupInspector(this);
 }
 
 loadInitializers(App, config.modulePrefix, compatModules);

package.json

@@ -44,6 +44,7 @@
     "@embroider/compat": "^4.1.0",
     "@embroider/config-meta-loader": "^1.0.0",
     "@embroider/core": "^4.1.0",
+    "@embroider/legacy-inspector-support": "^0.1.1",
     "@embroider/macros": "^1.18.0",
     "@embroider/router": "^3.0.1",
     "@embroider/vite": "^1.1.5",