gitignore file added

.gitignore

@@ -0,0 +1 @@
+.DS_Store

contentscript.js

@@ -1,7 +0,0 @@
-chrome.runtime.onMessage.addListener(
-    function(request, sender, sendResponse) {
-      // listen for messages sent from background.js
-      if (request.message === 'hello!') {
-        console.log(request.url) // new url is now in content scripts!
-      }
-  });