feat: add users and groups API routes

src-ui/src/app/services/rest/user.service.ts

@@ -0,0 +1,13 @@
+import { HttpClient } from '@angular/common/http'
+import { Injectable } from '@angular/core'
+import { PaperlessUser } from 'src/app/data/paperless-user'
+import { AbstractNameFilterService } from './abstract-name-filter-service'
+
+@Injectable({
+  providedIn: 'root',
+})
+export class UserService extends AbstractNameFilterService<PaperlessUser> {
+  constructor(http: HttpClient) {
+    super(http, 'users')
+  }
+}