Add email question, some tweaks

Customizations/Questions/EmailQuestion.ts

@@ -0,0 +1,18 @@
+import {TagRenderingOptions} from "../TagRendering";
+import {UIElement} from "../../UI/UIElement";
+import Translations from "../../UI/i18n/Translations";
+
+export class EmailQuestion extends TagRenderingOptions {
+
+    constructor(category: string | UIElement) {
+        super({
+            question: Translations.t.general.questions.emailOf.Subs({category: category}),
+            freeform: {
+                renderTemplate: Translations.t.general.questions.emailIs.Subs({category: category}),
+                template: "$email$",
+                key: "email"
+            }
+        });
+    }
+
+}