Examine source code of Sylestia Extension 3

{
  "manifest_version": 3,
  "name": "Sylestia Extension 3",
  "version": "2.3.1",
  "description": "Quality-of-Life extension for the pet site Sylesia.com. Adds a mass release button to the stables and hotkeys to the old explore zones.",
  "content_scripts": [
    {
      "matches": [
        "*://www.sylestia.com/stables/*"
      ],
      "js": [
        "mass-release-loader.js"
      ]
    },
    {
      "matches": [
        "*://www.sylestia.com/explore/zone/*"
      ],
      "js": [
        "z1-explore-hotkey-loader.js"
      ]
    },
    {
      "matches": [
        "*://www.sylestia.com/explore/newzone/*"
      ],
      "js": [
        "newzone-explore-hotkey-loader.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7d9e4b13-cc75-4479-bab8-e50ee5656dd0}"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "mass-release-script.js",
        "z1-explore-hotkey-script.js",
        "newzone-explore-hotkey-script.js"
      ],
      "matches": [
        "*://www.sylestia.com/*"
      ]
    }
  ]
}