Examine source code of Shitterwatch

{
  "name": "Shitterwatch",
  "description": "Their sub tho",
  "manifest_version": 2,
  "version": "2.0",
  "author": "Accelerating",
  "applications": {
    "gecko": {
      "id": "{25cad2f7-9801-4b3d-9227-68378fbe2c0e}"
    }
  },
  "homepage_url": "  https://bitbucket.org/accelerating/shitterwatch/",
  "content_scripts": [
    {
      "matches": [
        "*://*.forum.square-enix.com/ffxiv/threads/*"
      ],
      "js": [
        "shitterwatch.js",
        "fflogsAPI.js",
        "user.js",
        "utility.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "icons/*.png",
    "shitterwatch.css"
  ],
  "options_ui": {
    "page": "options.html"
  },
  "permissions": [
    "storage",
    "webRequest",
    "https://www.fflogs.com/*"
  ]
}