feat: clients identities page

- add identities-tab component
- add upload-document-dialog component
- remove content-type header from authentication interceptor

fixes: #261

src/app/clients/common-resolvers/client-identities.resolver.ts

@@ -0,0 +1,42 @@
+/** Angular Imports */
+import { Injectable } from '@angular/core';
+import { Resolve, ActivatedRouteSnapshot } from '@angular/router';
+
+/** rxjs Imports */
+import { Observable, forkJoin, from } from 'rxjs';
+import { map } from 'rxjs/operators';
+
+/** Custom Services */
+import { ClientsService } from '../clients.service';
+
+/**
+ * Client Identities resolver.
+ */
+@Injectable()
+export class ClientIdentitiesResolver implements Resolve<Object> {
+    /**
+     * @param {ClientsService} ClientsService Clients service.
+     */
+    constructor(private clientsService: ClientsService) { }
+    /**
+     * Returns the Client Identities data.
+     * @returns {Observable<any>}
+     */
+    resolve(route: ActivatedRouteSnapshot): Observable<any> {
+        const clientId = route.parent.paramMap.get('clientId');
+        let identitiesData: any;
+        return this.clientsService.getClientIdentifiers(clientId).pipe(map((identities: any) => {
+            identitiesData = identities;
+            const docObservable: Observable<any>[] = [];
+            identities.forEach((identity: any) => {
+                docObservable.push(this.clientsService.getClientIdentificationDocuments(identity.id));
+            });
+            forkJoin(docObservable).subscribe(documents => {
+                documents.forEach((document, index) => {
+                    identitiesData[index].documents = document;
+                });
+            });
+            return identitiesData;
+        }));
+    }
+}