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manifest.json
{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "GitHub Pages",
  "version": "1.2.0",
  "manifest_version": 2,
  "description": "Add a link to the GitHub-Page of a GitHub repository",
  "homepage_url": "https://github.com/ins0/chrome-gh-pages",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "default_locale": "en",
  "permissions": [
    "https://github.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://github.com/*"
      ],
      "js": [
        "src/gh-pages.js"
      ]
    }
  ]
}