feat(startscreen): add comments

src/button.py

@@ -2,6 +2,16 @@ import pygame
 
 class Button:
     def __init__(self, text, width, height, pos_x, pos_y, color, hover):
+        """
+
+        :param text: Text inside the button.
+        :param width: Width of the button.
+        :param height: Height of the button.
+        :param pos_x: X position of the button on the screen.
+        :param pos_y: Y position of the button on the screen.
+        :param color: Color of the button on the screen.
+        :param hover: Color of the button on the screen when mouse is hover.
+        """
         self.text = text
         self.width = width
         self.height = height
@@ -20,6 +30,11 @@ class Button:
         self.clicked = False
 
     def draw(self, screen):
+        """
+        Draw the button on the screen.
+        :param screen: Screen object where button will be drawn.
+        :return: Return True when button was clicked.
+        """
         action = False
 
         # get current mous position