Add save+open to notebook, allow multiple windows, add translations, add welcome window
diff --git a/ide/Notebook.h b/ide/Notebook.h
index dda07bc..6a6541d 100644
--- a/ide/Notebook.h
+++ b/ide/Notebook.h
@@ -26,6 +26,9 @@
     Q_INVOKABLE void runCell(QUuid uuid);
     Q_INVOKABLE void quitCell(QUuid uuid);
 
+    Q_INVOKABLE void fromJson(QJsonDocument doc);
+    Q_INVOKABLE void open(QString path);
+
     Q_INVOKABLE QJsonDocument toJson() const;
     Q_INVOKABLE void save();