Add eslint config

Author: tureki

.eslintrc

@@ -0,0 +1,11 @@
+{
+  "extends": ["eslint:recommended"],
+  "globals": {
+    "console": false,
+    "require": true,
+  },
+  "rules": {
+    "no-console": 0,
+    "no-unused-vars": 1,
+  }
+}

package.json

@@ -4,6 +4,7 @@
   "description": "Laravel Elixir PostCSS Extension",
   "main": "index.js",
   "scripts": {
+    "eslint": "./node_modules/.bin/eslint '*.js'",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "keywords": [
@@ -39,4 +40,7 @@
     "name": "tureki",
     "email": "[email protected]"
   }]
+  "devDependencies": {
+    "eslint": "^3.12.2"
+  }
 }