Integrate CodeXEditor: dynamic import added (#5)

* Main elements created

* Add Editor to the writing page

src/frontend/js/modules/writing.js

@@ -0,0 +1,28 @@
+/**
+ * Module for pages create/edit
+ */
+module.exports = class Writing {
+  constructor(){
+  }
+
+  /**
+   * Called by ModuleDispatcher to initialize module from DOM
+   */
+  init(config, moduleEl) {
+    this.editorWrapper = document.createElement('div');
+    this.editorWrapper.id = 'codex-editor';
+
+    moduleEl.appendChild(this.editorWrapper);
+
+
+    this.loadEditor().then(() => {
+      console.log('Editor loaded');
+    })
+  };
+
+  loadEditor(){
+    return import(/* webpackChunkName: "codex-editor" */ 'codex.editor').then(({ default: CodexEditor }) => {
+       console.log('codex-editor', new CodexEditor());
+    }).catch(error => 'An error occurred while loading CodeX Editor');
+  }
+};