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/home/home.component.spec.ts

@@ -1,4 +1,4 @@
-import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
+import { ComponentFixture, TestBed } from '@angular/core/testing';
 
 import { HomeComponent } from './home.component';
 
@@ -6,13 +6,11 @@ describe('HomeComponent', () => {
   let component: HomeComponent;
   let fixture: ComponentFixture<HomeComponent>;
 
-  beforeEach(waitForAsync(() => {
-    TestBed.configureTestingModule({
-      declarations: [HomeComponent],
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      imports: [HomeComponent],
     }).compileComponents();
-  }));
 
-  beforeEach(() => {
     fixture = TestBed.createComponent(HomeComponent);
     component = fixture.componentInstance;
     fixture.detectChanges();

overlord/src/app/home/home.component.ts

@@ -4,5 +4,6 @@ import { Component } from '@angular/core';
   selector: 'app-home',
   templateUrl: './home.component.html',
   styleUrls: ['./home.component.css'],
+  standalone: true,
 })
 export class HomeComponent {}