Reorganize src folder and add Api and Scene classes

main.ts

@@ -1,6 +1,6 @@
 import p5 from 'p5';
-import { colors } from './src/colors';
-import { SCREEN_WIDTH, SCREEN_HEIGHT } from './src/constants';
+import { colors } from './src/constants/colors';
+import { SCREEN_WIDTH, SCREEN_HEIGHT } from './src/constants/screen';
 import { Player } from './src/Player';
 
 const sketch = (s) => {

src/Api.ts

@@ -0,0 +1 @@
+export class Api {}

src/Player.ts

@@ -1,5 +1,5 @@
 import { mp5 } from '../main';
-import { colors } from './colors';
+import { colors } from './constants/colors';
 
 export class Player {
   x: number;

src/Scene.ts

@@ -0,0 +1 @@
+export class Screen {}