N°5298 - Merge work from 9bf0addc9c with changes from the WIP CKEditor build repo

js/ckeditor/build/plugins/insert-html/insert-html.command.d.ts

@@ -0,0 +1,8 @@
+import { Command } from 'ckeditor5/src/core';
+/**
+ * InsertHtmlCommand Command.
+ *
+ */
+export default class InsertHtmlCommand extends Command {
+    execute(sContent: string): void;
+}