Examine source code of Refined Bitbucket

{
  "manifest_version": 2,
  "name": "Refined Bitbucket",
  "description": "Improves Bitbucket's user experience",
  "version": "3.26.1",
  "author": "Ronald Rey",
  "homepage_url": "https://github.com/refined-bitbucket/refined-bitbucket",
  "icons": {
    "16": "icon_16px.png",
    "32": "icon_32px.png",
    "48": "icon_48px.png",
    "64": "icon_64px.png",
    "128": "icon_128px.png",
    "256": "icon_256px.png"
  },
  "options_ui": {
    "page": "options.html",
    "chrome_style": true
  },
  "applications": {
    "gecko": {
      "id": "refined-bitbucket@refined-bitbucket.org"
    }
  },
  "permissions": [
    "storage",
    "webNavigation",
    "https://bitbucket.org/*",
    "https://api.bitbucket.org/*"
  ],
  "content_scripts": [
    {
      "js": [
        "prism.js",
        "main.js"
      ],
      "matches": [
        "https://bitbucket.org/*"
      ]
    }
  ],
  "background": {
    "scripts": [
      "background.js",
      "background-for-requests.js",
      "background-for-webnavigation.js"
    ],
    "persistent": false
  }
}