Examine source code of DashingdonSnoop

{
  "manifest_version": 2,
  "name": "DashingdonSnoop",
  "version": "1.4.4",
  "description": "Adds tools for playing ChoiceScript games on Dashingdon.com",
  "icons": {
    "96": "icons/snoop-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.dashingdon.com/play/*",
        "*://*.choiceofgames.com/*"
      ],
      "js": [
        "src/jquery-3.6.1.min.js",
        "src/snoop.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "src/inject/*",
    "src/jquery-3.6.1.min.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c9662df7-1125-495b-a0de-eb3dc79d0fed}"
    }
  }
}