client: Add some JSDoc

src/public/app/widgets/ribbon_widgets/classic_editor_toolbar.js

@@ -16,6 +16,12 @@ const TPL = `\
 </style>
 `;
 
+/**
+ * Handles the editing toolbar when the CKEditor is in decoupled mode.
+ * 
+ * <p>
+ * The ribbon item is active by default for text notes, as long as they are not in read-only mode.
+ */
 export default class ClassicEditorToolbar extends NoteContextAwareWidget {
     get name() {
         return "classicToolbar";

src/public/app/widgets/type_widgets/editable_text.js

@@ -107,6 +107,12 @@ function buildListOfLanguages() {
     ];
 }
 
+/**
+ * The editor can operate into two distinct modes:
+ * 
+ * - Ballon block mode, in which there is a floating toolbar for the selected text, but another floating button for the entire block (i.e. paragraph).
+ * - Decoupled mode, in which the editing toolbar is actually added on the client side (in {@link ClassicEditorToolbar}), see https://ckeditor.com/docs/ckeditor5/latest/examples/framework/bottom-toolbar-editor.html for an example on how the decoupled editor works.
+ */
 export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
     static getType() { return "editableText"; }