feat: implement gameloop

Implement a basic game loop that draws the startscreen, and the map after you hit the right button

src/settings.py

@@ -1,6 +1,8 @@
 # --- DESK ---
 from typing import Mapping, Literal, Tuple
 
+from src.map import tile_size
+
 DESK_WIDTH = 70
 DESK_HEIGHT = 40
 
@@ -30,7 +32,7 @@ DIRECTION_FRAMES: Mapping[Direction, Tuple[int, int, int]] = {
 # Default drawing size and animation speed.
 DEFAULT_SPRITE_HEIGHT: int = 138
 DEFAULT_FRAME_TIME: float = 0.16
-=======
+
 
 # --- ECTS ---
 START_ECTS_VALUE = 1        # how many ECTS are generated at the beginning
@@ -91,3 +93,7 @@ COLOR_HP_BAR_YELLOW = (255, 255, 0)
 
 HUD_BAR_WIDTH = 100
 HUD_BAR_HEIGHT = 15
+
+PLAYER_SPEED = 180.0
+DEMO_ACTOR_HEIGHT = tile_size * 3
+FPS = 60