feat(startscreen): add start and quit buttons on startscreen

src/startscreen.py

@@ -7,7 +7,25 @@ class Startscreen:
         self.font_title = pygame.font.SysFont("Arial", 36)
         self.font_label = pygame.font.SysFont("Arial", 20)
 
+        self.button_color = (0, 255, 0)
+        self.button_hover_color = (200, 255, 0)
+
         # todo buttons must be initialized here
+        self.button_start = Button("[ENTER] Immatrikulieren",
+                                   500,
+                                   70,
+                                   20,
+                                   60,
+                                   self.button_color,
+                                   self.button_hover_color)
+
+        self.button_quit = Button("[ESC] Exmatrikulieren",
+                                   500,
+                                   70,
+                                   20,
+                                   150,
+                                   self.button_color,
+                                   self.button_hover_color)
 
     def run(self):
         # set background color
@@ -19,6 +37,9 @@ class Startscreen:
         message = self.font_label.render("Welcome to FH - Study with purpose", True, (0, 255, 255))
 
         # todo buttons must be drawn here
+        button_start_pressed = self.button_start.draw(self.screen)
+        button_start_pressed = self.button_quit.draw(self.screen)
+
         # todo check button events/click
 
         # check key down events - exit/quit