Add support for running on addons

Author: vladucu

lib/index.js

@@ -18,7 +18,7 @@ async function runForPath(path, options = {}) {
   let log = options.log || console.log;
 
   log(` 🔍  Searching for component files...`);
-  let paths = await globby('app/components/**/*.js', { cwd: path });
+  let paths = await globby(['app/components/**/*.js', 'addon/components/**/*.js'], { cwd: path });
   debug('componentPaths = %O', paths);
 
   let pkgContent = fs.readFileSync(`${path}/package.json`);