Chore: Check for deprecations using eslint plugin

Chore: environment file replacement stopped.
Chore: All components are now standalone and removed all modules
Chore: App routing is now in app.routes and similarly for all submodules
Chore: Http interceptors are now functional and split refresh interceptor into a separate one.

overlord/src/app/purchase-entries/purchase-entries.routes.ts

@@ -0,0 +1,21 @@
+import { Routes } from '@angular/router';
+
+import { authGuard } from '../auth/auth-guard.service';
+
+import { PurchaseEntriesComponent } from './purchase-entries.component';
+import { purchaseEntriesResolver } from './purchase-entries.resolver';
+
+export const routes: Routes = [
+  {
+    path: '',
+    component: PurchaseEntriesComponent,
+    canActivate: [authGuard],
+    data: {
+      permission: 'Purchase Entries',
+    },
+    resolve: {
+      info: purchaseEntriesResolver,
+    },
+    runGuardsAndResolvers: 'always',
+  },
+];