add linting 🛃

Author: Kent C. Dodds

.eslintrc

@@ -0,0 +1,11 @@
+{
+  "env": {
+    "browser": true,
+    "node": true,
+  },
+  "extends": [
+    "kentcdodds/best-practices",
+    "kentcdodds/possible-errors",
+  ],
+  "rules": {},
+}

package.json

@@ -4,7 +4,8 @@
   "description": "Get random Star Wars names",
   "main": "src/index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "lint": "eslint src"
   },
   "repository": {
     "type": "git",
@@ -22,5 +23,9 @@
   "homepage": "https://github.com/kentcdodds/starwars-names#readme",
   "dependencies": {
     "unique-random-array": "1.0.0"
+  },
+  "devDependencies": {
+    "eslint": "3.2.0",
+    "eslint-config-kentcdodds": "^9.0.0"
   }
 }