Examine source code of GooseMod for Web

{
  "name": "GooseMod for Web",
  "description": "A light, secure, and easy to use Discord mod; now in your browser.",
  "version": "1.2.1",
  "author": "GooseMod Team",
  "homepage_url": "https://goosemod.com",
  "icons": {
    "48": "icons/48.png",
    "96": "icons/96.png",
    "128": "icons/128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.discord.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "permissions": [
    "storage",
    "webRequest",
    "webRequestBlocking",
    "*://*.discord.com/*"
  ],
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "invalid@goosemod.com"
    }
  }
}