Added missing files and removed unnessesary ones

Python/pyqt6_4/snippets/1.py

@@ -0,0 +1,21 @@
+import sys
+
+from PyQt6.QtWidgets import QApplication, QWidget
+
+
+class Window(QWidget):
+    def __init__(self) -> None:
+        super().__init__()
+        self.setGeometry(*(500,) * 4)
+        self.setWindowTitle("Окно")
+
+
+def main() -> None:
+    app = QApplication(sys.argv)
+    window = Window()
+    window.show()
+    sys.exit(app.exec())
+
+
+if __name__ == "__main__":
+    main()