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/role/role.service.ts

@@ -1,8 +1,10 @@
-import { Injectable } from '@angular/core';
 import { HttpClient, HttpHeaders } from '@angular/common/http';
-import { ErrorLoggerService } from '../core/error-logger.service';
-import { catchError } from 'rxjs/operators';
+import { Injectable } from '@angular/core';
 import { Observable } from 'rxjs/internal/Observable';
+import { catchError } from 'rxjs/operators';
+
+import { ErrorLoggerService } from '../core/error-logger.service';
+
 import { Role } from './role';
 
 const httpOptions = {
@@ -53,9 +55,8 @@ export class RoleService {
   saveOrUpdate(role: Role): Observable<Role> {
     if (!role.id) {
       return this.save(role);
-    } else {
-      return this.update(role);
     }
+    return this.update(role);
   }
 
   delete(id: string): Observable<Role> {