fix(ui): increase render resolution (#28)

## How does this PR impact the user?

## Сейчас

<img width="1424" alt="image"
src="https://github.com/user-attachments/assets/f1e54e9a-59db-4ca8-83d1-4641d7d7d08e">

## До

<img width="1424" alt="image"
src="https://github.com/user-attachments/assets/4f9eaf26-0ea0-4507-8467-0d29380f23dd">

## Description

Ditto.

## Limitations

N/A

## Checklist

- [x] my PR is focused and contains one wholistic change
- [x] I have added screenshots or screen recordings to show the changes

components/GameScreen.vue

@@ -102,7 +102,8 @@ watch(gameState, async (newState, prevState) => {
       canvas: canvas.value,
       backgroundColor: "#FFFFFF",
       antialias: true,
-      resolution: 1,
+      resolution: 4,
+      autoDensity: true,
     });
 
     // render food