feat: add clients view page

- add client view page
- add general tab 
- add status lookup pipe to store styles based on status
- add accounts filter pipe to filter accounts
- add status related colors in _color.scss

Fixes: #216

src/app/clients/clients-view/clients-view.component.spec.ts

@@ -0,0 +1,25 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+
+import { ClientsViewComponent } from './clients-view.component';
+
+describe('ClientsViewComponent', () => {
+  let component: ClientsViewComponent;
+  let fixture: ComponentFixture<ClientsViewComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ ClientsViewComponent ]
+    })
+    .compileComponents();
+  }));
+
+  beforeEach(() => {
+    fixture = TestBed.createComponent(ClientsViewComponent);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  });
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});