Add settings window and Qt imports

UI/settings.py

@@ -0,0 +1,11 @@
+import PyQt5.QtWidgets as QtWidgets
+
+class Settings(QtWidgets.QWidget):
+    def __init__(self, parent=None):
+        super().__init__(parent)
+        self.show_window()
+
+    def show_window(self):
+        self.resize(300, 100)
+        self.setWindowTitle("Prosty kalkulator")
+        self.show()

UI/window.py

@@ -2,7 +2,7 @@ import pygame as pg
 import numpy as np
 import random
 from UI.grid import Grid, Node
-from UI.Apath import a_path
+from Logic.Apath import a_path
 
 
 class Window():

main.py

@@ -1,8 +1,14 @@
 from UI.grid import Grid
 from UI.window import Window
-
+from UI.settings import Settings
+import PyQt5.QtWidgets as QtWidgets
 
 def main():
+    import sys
+
+    app = QtWidgets.QApplication(sys.argv)
+    Settings()
+    app.exec()
     # initialize grid
     grid = Grid(20, 20)
     # initialize window (grid, start,end,mode)