cria função 'readAll' que retorna o DTO do 'GameService' com todos os jogos do BD

Author: GabrielTorelo

src/main/java/com/gabriel_torelo/game_list/controllers/GameController.java

@@ -0,0 +1,22 @@
+package com.gabriel_torelo.game_list.controllers;
+
+import java.util.List;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+import com.gabriel_torelo.game_list.dto.GameMinDTO;
+import com.gabriel_torelo.game_list.services.GameService;
+
+@RestController
+@RequestMapping(value = "/games")
+public class GameController {
+    
+    @Autowired
+    private GameService gameService;
+
+    @GetMapping
+    public List<GameMinDTO> readAll() {
+        return gameService.readAll();
+    }
+}