ember didn't want to ember, so now it embers again

frontend-reactive/app/config/environment.d.ts

@@ -0,0 +1,14 @@
+/**
+ * Type declarations for
+ *    import config from 'frontend-reactive/config/environment'
+ */
+declare const config: {
+  environment: string;
+  modulePrefix: string;
+  podModulePrefix: string;
+  locationType: 'history' | 'hash' | 'none';
+  rootURL: string;
+  APP: Record<string, unknown>;
+};
+
+export default config;