Add .gitignore + typing

.gitignore

+.idea
\ No newline at end of file

client/src/app/app.component.ts

@@ -6,5 +6,5 @@ import { Component } from '@angular/core';
     styleUrls: ['./app.component.scss']
 })
 export class AppComponent {
-    title = 'client';
+    title: string = 'client';
 }