Add initial game structure with entity, player, and screen management

src/entity.py

@@ -0,0 +1,41 @@
+"""Entité générique comme le joueur ou la balle"""
+import pygame
+from typing import Tuple
+from dataclasses import dataclass
+from screen import Screen
+
+@dataclass
+class Pos:
+    x: int
+    y: int
+
+@dataclass
+class Velocity:
+    x: float
+    y: float
+
+@dataclass
+class Entity:
+    name: str
+    pos: Pos
+    velocity: Velocity
+    image: pygame.Surface
+
+    screen_manager: Screen
+    screen: pygame.Surface
+
+    def __init__(self, name:str, origin:Tuple[int, int], image:pygame.Surface, screen_manager:Screen):
+        self.name:str = name
+        self.pos = Pos(*origin)
+        self.velocity = Velocity(0, 0)
+
+        self.image: pygame.Surface = image
+        self.screen_manager = screen_manager
+        self.screen: pygame.Surface = screen_manager.get_screen()
+
+    def apply_move(self):
+        self.pos.x += int(self.velocity.x)
+        self.pos.y += int(self.velocity.y)
+
+    def draw(self):...
+    def move(self, event:pygame.event.Event):...