Examine source code of eXtremePlug

{
  "manifest_version": 3,
  "name": "eXtremePlug",
  "short_name": "eXtremeplug",
  "version": "1.5.5",
  "description": "eXtremelot Plugin",
  "browser_specific_settings": {
    "gecko": {
      "id": "extremeplug-extension@extremelot.addon",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "dialog.html"
  },
  "permissions": [
    "storage",
    "tabs",
    "scripting",
    "alarms"
  ],
  "host_permissions": [
    "https://extremelot.eu/*",
    "https://www.extremelot.eu/*",
    "https://colossus.altervista.org/*",
    "https://tagete.altervista.org/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "script/core/pageLogger.js"
      ],
      "matches": [
        "https://www.extremelot.eu/*",
        "https://extremelot.eu/*"
      ]
    }
  ],
  "icons": {
    "16": "16.png",
    "64": "64.png",
    "128": "128.jpg"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.extremelot.eu/lotnew/*",
        "https://extremelot.eu/lotnew/*",
        "https://www.extremelot.eu/proc/*",
        "https://extremelot.eu/proc/*"
      ],
      "run_at": "document_end",
      "all_frames": false,
      "match_about_blank": true,
      "css": [
        "stili/jquery-ui.min.css",
        "stili/theme.css",
        "stili/layout.css"
      ],
      "js": [
        "script/jquery.min.js",
        "script/core/constants.js",
        "script/core/debug.js",
        "script/core/dom.js",
        "script/core/pgData.js",
        "script/ui/overlay.js",
        "script/ui/getUiDoc.js",
        "script/security/iframeGuard.js",
        "script/security/iframeGuard.policies.scheda.js",
        "script/features/posta/posta.ui.js",
        "script/ui/finestra.js",
        "script/ui/dialogs.js",
        "script/ui/windows.js",
        "script/ui/menu.js",
        "script/events/bindings.js",
        "script/features/mappa.js",
        "script/features/scheda.js",
        "script/features/bacheca.js",
        "script/features/banca.js",
        "script/features/editor.js",
        "script/features/salvaChat.js",
        "script/features/lotInforma.js",
        "script/features/gestionale.js",
        "script/features/posta/posta.viewer.js",
        "script/features/posta/posta.urls.js",
        "script/features/posta/compose.js",
        "script/features/posta/posta.js",
        "script/features/lente.js",
        "script/features/regole.js",
        "script/features/azioniFinestra.js",
        "script/features/chiedove.js",
        "script/features/simboli.js",
        "script/features/collegati.js",
        "script/features/linkBookmarks.js",
        "script/main.js"
      ]
    }
  ]
}