Moved from tslint to eslint as tslint was depreciated.

Added prettier and also prettied all the typescript files using prettier

ESLint is using the AirBnB rules which are the most strict to lint the files.

overlord/src/app/settings/maintenance-resolver.service.ts

@@ -1,15 +1,13 @@
-import {Injectable} from '@angular/core';
-import {ActivatedRouteSnapshot, Resolve, RouterStateSnapshot} from '@angular/router';
-import {Observable} from 'rxjs/internal/Observable';
-import {SettingsService} from './settings.service';
+import { Injectable } from '@angular/core';
+import { ActivatedRouteSnapshot, Resolve, RouterStateSnapshot } from '@angular/router';
+import { Observable } from 'rxjs/internal/Observable';
+import { SettingsService } from './settings.service';
 
 @Injectable({
-  providedIn: 'root'
+  providedIn: 'root',
 })
 export class MaintenanceResolver implements Resolve<any> {
-
-  constructor(private ser: SettingsService) {
-  }
+  constructor(private ser: SettingsService) {}
 
   resolve(route: ActivatedRouteSnapshot, state: RouterStateSnapshot): Observable<any> {
     return this.ser.getMaintenance();