Add initial GUI program

trovedb/qgui/qtrove.py

@@ -0,0 +1,23 @@
+#!/usr/bin/env python3
+"""PySide6 GUI for Trove"""
+
+import sys
+
+from PySide6.QtWidgets import (
+    QApplication,
+)
+
+from .main_window import TroveMainWindow
+
+def main():
+    app = QApplication(sys.argv)
+
+    # Respect system theme on KDE
+    app.setStyle("Fusion")
+
+    window = TroveMainWindow()
+    window.show()
+    sys.exit(app.exec())
+
+if __name__ == '__main__':
+    main()