created directory for dialogs

src/widgets/dialogs/LastRunCrashDialog.hpp

@@ -0,0 +1,16 @@
+#pragma once
+
+#include <QDialog>
+#include <pajlada/signals/signalholder.hpp>
+
+namespace chatterino {
+namespace widgets {
+
+class LastRunCrashDialog : public QDialog, pajlada::Signals::SignalHolder
+{
+public:
+    LastRunCrashDialog();
+};
+
+}  // namespace widgets
+}  // namespace chatterino