Helper for GitHub notifications in Gmail

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Helper for GitHub notifications in Gmail",
  "short_name": "helpergithubgmail",
  "version": "0.8.3",
  "manifest_version": 2,
  "description": "Add links to GitHub threads and shortcuts to your Gmail interface.",
  "homepage_url": "http://github.com/muan/github-gmail",
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "default_locale": "en",
  "background": {
    "page": "src/bg/background.html",
    "persistent": true
  },
  "options_page": "src/options/index.html",
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "content_scripts": [
    {
      "matches": [
        "https://mail.google.com/*",
        "https://inbox.google.com/*"
      ],
      "css": [
        "src/inject/inject.css"
      ]
    },
    {
      "matches": [
        "https://mail.google.com/*",
        "https://inbox.google.com/*"
      ],
      "js": [
        "src/inject/inject.js"
      ]
    }
  ]
}