url shortener, quotas, small improvements

src/app/material/autofocus.ts

@@ -0,0 +1,15 @@
+import { Directive, OnInit } from '@angular/core';
+import { MatInput } from '@angular/material/input';
+
+@Directive({
+  selector: '[matInputAutofocus]',
+})
+export class AutofocusDirective implements OnInit {
+
+  constructor(private matInput: MatInput) { }
+
+  ngOnInit() {
+    setTimeout(() => this.matInput.focus());
+  }
+
+}