initial commit

- contains basic chat via websocket
- contains button to test websocket
- contains button to test rest api

src/app/chat/entry/entry.spec.ts

@@ -0,0 +1,7 @@
+import { Entry } from './entry';
+
+describe('Entry', () => {
+  it('should create an instance', () => {
+    expect(new Entry()).toBeTruthy();
+  });
+});