Modularised our tinymce config and plugins

- Split everything into specific plugin/concern files to make things
  more managable. Means original component file is now simple and much
  of the core config is focused in one place.

resources/js/wysiwyg/plugins-stub.js

@@ -0,0 +1,16 @@
+/**
+ * @param {Editor} editor
+ * @param {String} url
+ */
+function register(editor, url) {
+
+}
+
+
+/**
+ * @param {WysiwygConfigOptions} options
+ * @return {register}
+ */
+export function getPlugin(options) {
+    return register;
+}