Improve comments

Closes #1171

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

js/src/components/Editor/RichEditorKeyboardSubmit.ts

@@ -0,0 +1,22 @@
+import { Extension } from "@tiptap/vue-3";
+
+export interface RichEditorKeyboardSubmitOptions {
+  submit: () => void;
+}
+
+export default Extension.create<RichEditorKeyboardSubmitOptions>({
+  name: "RichEditorKeyboardSubmit",
+  addOptions() {
+    return {
+      submit: () => ({}),
+    };
+  },
+  addKeyboardShortcuts() {
+    return {
+      "Ctrl-Enter": () => {
+        this.options.submit();
+        return true;
+      },
+    };
+  },
+});