Examine source code of AutoDarts +

{
  "manifest_version": 3,
  "name": "AutoDarts +",
  "version": "2.2.3",
  "description": "Dart skin customizer, ranked mode and local tournaments for play.autodarts.io",
  "browser_specific_settings": {
    "gecko": {
      "id": "customize-darts@timexo.io",
      "strict_min_version": "111.0"
    }
  },
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://play.autodarts.io/*",
    "https://api.autodarts.io/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icon/16.png",
      "48": "icon/48.png",
      "128": "icon/128.png"
    }
  },
  "icons": {
    "16": "icon/16.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://play.autodarts.io/*"
      ],
      "js": [
        "src/core/pageScript.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    },
    {
      "matches": [
        "https://play.autodarts.io/*"
      ],
      "js": [
        "src/core/purify.js",
        "src/core/constants.js",
        "src/core/tokenHelper.js",
        "src/core/state.js",
        "src/ui/modals.js",
        "src/core/logic.js",
        "src/automation/sync.js",
        "src/ui/matchbox.js",
        "src/ui/views/bracket.js",
        "src/ui/tables.js",
        "src/ui/views/setup.js",
        "src/ui/views/league.js",
        "src/ui/views/groups.js",
        "src/automation/lobby.js",
        "src/core/actions.js",
        "src/ui/renderer.js",
        "content-scripts/content.js"
      ],
      "run_at": "document_idle"
    }
  ]
}