add sync feature.

name -> Custom JavaScript for Websites 2
version -> 2.2.0

extension/manifest.json

@@ -0,0 +1,25 @@
+{
+  "manifest_version": 2,
+  "name": "Custom JavaScript for Websites 2",
+  "short_name": "customjs",
+  "version": "2.2.0",
+  "author": "xcv58",
+  "description": "Run custom JavaScript on any website.",
+  "icons": {
+    "128": "img/icon_128.png"
+  },
+  "content_scripts": [ {
+    "js": [ "lib/api.js" ],
+    "matches": [ "\u003Call_urls>" ]
+  }, {
+    "all_frames": true,
+    "js": [ "lib/run.js" ],
+    "matches": [ "\u003Call_urls>" ]
+  } ],
+  "browser_action": {
+    "default_icon": "img/icon.png",
+    "default_popup": "popup.html"
+  },
+  "content_security_policy": "script-src 'self' https://*.googleapis.com; object-src 'self'",
+  "permissions": [ "storage", "http://*/", "https://*/", "tabs" ]
+}