add editorconfig checker and fix files

JavaScript/README.md

@@ -7,15 +7,15 @@ canvas { image-rendering: crisp-edges; image-rendering: pixelated; }
 `packages.json`
 ```json
 "scripts": {
-	"serve": "webpack serve",
+    "serve": "webpack serve",
     "html": "html-minifier --collapse-whitespace --remove-comments src/index.html --output dist/index.html",
     "css": "csso src/styles.css --output dist/styles.css",
     "build": "npm run html && npm run css && webpack --mode=production"
 },
 "devDependencies": {
-	"webpack": "^5.42.0",
-	"webpack-cli": "^4.7.2",
-	"webpack-dev-server": "^3.11.2"
+    "webpack": "^5.42.0",
+    "webpack-cli": "^4.7.2",
+    "webpack-dev-server": "^3.11.2"
 }
 ```
 `webpack.config.js`
@@ -23,16 +23,16 @@ canvas { image-rendering: crisp-edges; image-rendering: pixelated; }
 const path = require('path');
 
 module.exports = {
-	mode: 'development',
-	entry: './src/index.js',
-	output: {
-		path: path.resolve(__dirname, 'dist'),
-		filename: 'engine.js',
-	},
-	devServer: {
-		contentBase: path.join(__dirname, 'src'),
-		compress: false,
-		port: 55555,
-	},
+    mode: 'development',
+    entry: './src/index.js',
+    output: {
+        path: path.resolve(__dirname, 'dist'),
+        filename: 'engine.js',
+    },
+    devServer: {
+        contentBase: path.join(__dirname, 'src'),
+        compress: false,
+        port: 55555,
+    },
 };
 ```