refactor: move files to git_monitor/ directory and add run.py

git_monitor/main.py

@@ -0,0 +1,19 @@
+from logger import logger
+from tray_app import TrayApp
+
+class Application:
+    def __init__(self):
+        logger.info("Application starting...")
+        self.tray_app = TrayApp()
+
+    def run(self):
+        try:
+            self.tray_app.run()
+        except KeyboardInterrupt:
+            logger.info("Application stopped by user.")
+        except Exception as e:
+            logger.error(f"Application error: {e}")
+
+if __name__ == "__main__":
+    app = Application()
+    app.run()