Prettied, Linted and updated angular.json according to the latest schematic of Angular CLI.

Now all that is needed is to make it ready for strict compiling.
Removed eslint-plugin-prettier as it is not recommended and causes errors for both eslint and prettier

Bumped to v8.0.0

overlord/src/app/settings/settings-routing.module.ts

@@ -1,10 +1,12 @@
-import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
+import { NgModule } from '@angular/core';
 import { RouterModule, Routes } from '@angular/router';
+
 import { AuthGuard } from '../auth/auth-guard.service';
-import { SettingsComponent } from './settings.component';
-import { MaintenanceResolver } from './maintenance-resolver.service';
+
 import { LockInformationResolver } from './lock-information-resolver.service';
+import { MaintenanceResolver } from './maintenance-resolver.service';
+import { SettingsComponent } from './settings.component';
 
 const settingsRoutes: Routes = [
   {