[ACS-4537] Make aca-about secondary entry of aca-content (#3179)

* break dependency on core module

* convert about to secondary entry

* Fixes after rebase

* [ACS-4537] - Copy about assets

---------

Co-authored-by: Denys Vuika <denys.vuika@gmail.com>

projects/aca-content/about/src/about.component.ts

@@ -0,0 +1,77 @@
+/*!
+ * Copyright © 2005-2023 Hyland Software, Inc. and its affiliates. All rights reserved.
+ *
+ * Alfresco Example Content Application
+ *
+ * This file is part of the Alfresco Example Content Application.
+ * If the software was purchased under a paid Alfresco license, the terms of
+ * the paid license agreement will prevail. Otherwise, the software is
+ * provided under the following open source license terms:
+ *
+ * The Alfresco Example Content Application is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * The Alfresco Example Content Application is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * from Hyland Software. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import { Component, Inject, OnInit, Optional } from '@angular/core';
+import { DEV_MODE_TOKEN } from './dev-mode.tokens';
+import { Observable } from 'rxjs';
+import { AppExtensionService, ExtensionRef } from '@alfresco/adf-extensions';
+import { AppConfigService, AuthenticationService, RepositoryInfo } from '@alfresco/adf-core';
+import { DiscoveryApiService } from '@alfresco/adf-content-services';
+import { PACKAGE_JSON } from './package-json.token';
+
+@Component({
+  selector: 'app-about-page',
+  templateUrl: './about.component.html',
+  styles: [
+    `
+      adf-about {
+        width: 100%;
+      }
+    `
+  ]
+})
+export class AboutComponent implements OnInit {
+  pkg: any;
+  dev = false;
+  extensions$: Observable<ExtensionRef[]>;
+  repository: RepositoryInfo = null;
+  landingPage: string;
+
+  constructor(
+    @Inject(DEV_MODE_TOKEN) devMode,
+    @Optional()
+    @Inject(PACKAGE_JSON)
+    public packageJson,
+    private authService: AuthenticationService,
+    private appExtensions: AppExtensionService,
+    private discovery: DiscoveryApiService,
+    appConfigService: AppConfigService
+  ) {
+    this.dev = !devMode;
+    this.extensions$ = this.appExtensions.references$;
+    this.landingPage = appConfigService.get('landingPage', '/personal-files');
+  }
+
+  ngOnInit(): void {
+    if (this.authService.isEcmLoggedIn()) {
+      this.setECMInfo();
+    }
+  }
+
+  setECMInfo() {
+    this.discovery.getEcmProductInfo().subscribe((repository) => {
+      this.repository = repository as RepositoryInfo;
+    });
+  }
+}