squash: be explicit about what's linted

Signed-off-by: Lance Ball <[email protected]>

Author: lance

package.json

@@ -4,7 +4,7 @@
   "description": "CloudEvents SDK for JavaScript",
   "main": "index.js",
   "scripts": {
-    "lint": "standardx",
+    "lint": "standardx index.js lib examples",
     "fix": "standardx --fix",
     "pretest": "npm run lint",
     "test": "mocha test/**/*.js",