Examine source code of BetterServ

{
  "manifest_version": 2,
  "name": "BetterServ",
  "version": "0.4.9",
  "description": "Make IServ great again! (more like great for the first time)",
  "content_scripts": [
    {
      "matches": [
        "*://*/iserv*"
      ],
      "js": [
        "dist/bettersidebar.js",
        "dist/iservlist.js",
        "dist/hidelogin.js",
        "dist/tictactoe.js"
      ],
      "css": [
        "dist/symbols.css",
        "dist/ubuntu.css",
        "dist/betterserv.css",
        "dist/rainbow.css"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "*://*/iserv/file*"
      ],
      "js": [
        "dist/betterfiles_webdav.js"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "activeTab",
    "storage",
    "<all_urls>",
    "webRequest",
    "webRequestBlocking"
  ],
  "browser_action": {
    "default_title": "BetterServ",
    "default_popup": "static/popup.html"
  },
  "background": {
    "scripts": [
      "static/fileblocker.js"
    ]
  },
  "icons": {
    "192": "img/android-chrome-192x192.png",
    "512": "img/android-chrome-512x512.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "pfannenschmidtlutz@gmail.com"
    }
  }
}