Examine source code of Slither.io Mods, Zoom, Unlock Skins, Bots

{
  "manifest_version": 2,
  "author": "http://slither-io.com",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "menu.html"
  },
  "content_scripts": [
    {
      "js": [
        "inject.js"
      ],
      "matches": [
        "*://slither.io/*"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "icons": {
    "16": "images/Icon-16.png",
    "32": "images/Icon-32.png",
    "48": "images/Icon-48.png",
    "128": "images/Icon-128.png"
  },
  "description": "The Best Mod and Extension for Slither.io! Mod Zoom, Play with Friends, Skins, Custom Skins, Bots",
  "name": "Slither.io Mods, Zoom, Unlock Skins, Bots",
  "permissions": [
    "*://slither.io/*",
    "webRequest",
    "webRequestBlocking",
    "storage",
    "activeTab",
    "management",
    "browsingData"
  ],
  "short_name": "Slither.io Mod",
  "version": "2.2.2resigned1",
  "web_accessible_resources": [
    "images/*",
    "main.js",
    "game.js",
    "customskins.js",
    "jquery.js",
    "bootstrap.css",
    "socket.io.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{6c7508bb-bf74-4b04-b41d-8d11872b0538}"
    }
  }
}