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/lock-information-resolver.service.ts

@@ -1,6 +1,7 @@
 import { Injectable } from '@angular/core';
-import { ActivatedRouteSnapshot, Resolve, RouterStateSnapshot } from '@angular/router';
+import { Resolve } from '@angular/router';
 import { Observable } from 'rxjs/internal/Observable';
+
 import { SettingsService } from './settings.service';
 
 @Injectable({
@@ -9,7 +10,7 @@ import { SettingsService } from './settings.service';
 export class LockInformationResolver implements Resolve<any> {
   constructor(private ser: SettingsService) {}
 
-  resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<any> {
+  resolve(): Observable<any> {
     return this.ser.getLockInformation();
   }
 }