Add UI for DIDKIT.

DIDKit/App/MenuAction/OpenDirAction.h

@@ -0,0 +1,18 @@
+#ifndef OPENDIRACTION_H
+#define OPENDIRACTION_H
+
+#include <QAction>
+
+class OpenDirAction : public QAction
+{
+    Q_OBJECT
+public:
+    OpenDirAction(const QString& aName, QWidget* aParent = nullptr);
+    ~OpenDirAction() override;
+    signals:
+    void dataLoaded(bool loadSuccess);
+private:
+    void executeAction();
+};
+
+#endif // OPENDIRACTION_H