better toasts, better dashboard, first implementation of consumer status

src-ui/src/app/components/dashboard/widgets/statistics-widget/statistics-widget.component.html

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+<h4>Statistics</h4>
+<p>Documents in inbox: {{statistics.documents_inbox}}</p>
+<p>Total documents: {{statistics.documents_total}}</p>

src-ui/src/app/components/dashboard/widgets/statistics-widget/statistics-widget.component.spec.ts

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+import { ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { StatisticsWidgetComponent } from './statistics-widget.component';
+
+describe('StatisticsWidgetComponent', () => {
+  let component: StatisticsWidgetComponent;
+  let fixture: ComponentFixture<StatisticsWidgetComponent>;
+
+  beforeEach(async () => {
+    await TestBed.configureTestingModule({
+      declarations: [ StatisticsWidgetComponent ]
+    })
+    .compileComponents();
+  });
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(StatisticsWidgetComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});

src-ui/src/app/components/dashboard/widgets/statistics-widget/statistics-widget.component.ts

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+import { HttpClient } from '@angular/common/http';
+import { Component, OnInit } from '@angular/core';
+import { Observable } from 'rxjs';
+import { environment } from 'src/environments/environment';
+
+export interface Statistics {
+  documents_total?: number
+  documents_inbox?: number
+}
+
+@Component({
+  selector: 'app-statistics-widget',
+  templateUrl: './statistics-widget.component.html',
+  styleUrls: ['./statistics-widget.component.css']
+})
+export class StatisticsWidgetComponent implements OnInit {
+
+  constructor(private http: HttpClient) { }
+
+  statistics: Statistics = {}
+
+  ngOnInit(): void {
+    this.getStatistics().subscribe(statistics => {
+      this.statistics = statistics
+    })
+  }
+
+  getStatistics(): Observable<Statistics> {
+    return this.http.get(`${environment.apiBaseUrl}statistics/`)
+  }
+
+}