Yanado - Task Management inside Gmail

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Yanado - Task Management inside Gmail",
  "short_name": "Yanado",
  "description": "Yanado turns your Gmail into powerful collaboration tool. Create tasks and turn emails into tasks within seconds.",
  "version": "2.0.0.1",
  "icons": {
    "16": "/icons/icon_16.png",
    "48": "/icons/icon_48.png",
    "128": "/icons/icon_128.png"
  },
  "web_accessible_resources": [
    "script/static/main.js"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://mail.google.com/*"
      ],
      "js": [
        "script/yanado.inject.js"
      ]
    }
  ],
  "externally_connectable": {
    "matches": [
      "*://*.yanado.com/*"
    ]
  },
  "manifest_version": 2,
  "background": {
    "page": "background.html"
  },
  "content_security_policy": "script-src 'self' https://*.yanado.com; object-src 'self'",
  "permissions": [
    "notifications",
    "tabs",
    "*://mail.google.com/*",
    "*://apis.google.com/*",
    "*://*.pusher.com/*",
    "*://*.yanado.com/*"
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/icon_16.png"
    },
    "default_title": "Yanado",
    "default_popup": "popup/popup.html"
  }
}