Move FAQ HTML to angular templates

fixes #1783

frontend/src/app/docs/faq-template/faq-template.component.ts

@@ -0,0 +1,9 @@
+import {  Directive, Input, TemplateRef } from '@angular/core';
+
+@Directive({
+  selector: 'ng-template[type]'
+})
+export class FaqTemplateDirective {
+  @Input() type: string;
+  constructor(public template: TemplateRef<any>) { }
+}