Examine source code of Mikeys' ShireDex

{
  "manifest_version": 2,
  "name": "Mikeys' ShireDex",
  "version": "1.0.2",
  "description": "Conjure our Magical Commands to Life",
  "author": "Kicklet.app",
  "homepage_url": "https://kicklet.app",
  "browser_action": {
    "default_icon": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.kick.com/*"
      ],
      "js": [
        "inject.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{69cac7df-a4e1-458b-830d-2f4521f83563}"
    }
  }
}