Examine source code of Entity Explosion

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "version": "0.9.6",
  "description": "__MSG_extDesc__",
  "default_locale": "en",
  "icons": {
    "38": "images/EE-grey-38.png",
    "48": "images/EE_tile_square-icon-filled-white-48.png",
    "128": "images/EE-tile-square-icon-128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_title": "__MSG_extName__"
  },
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b2dbb4cf-7425-4790-8bc4-b1ccbc818118}"
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "host_permissions": [
    "https://commons.wikimedia.org/w/api.php",
    "https://species.wikimedia.org/w/api.php",
    "https://*.wikipedia.org/w/api.php",
    "https://*.wikibooks.org/w/api.php",
    "https://*.wikifunctions.org/w/api.php",
    "https://*.wikinews.org/w/api.php",
    "https://*.wikiquote.org/w/api.php",
    "https://*.wikisource.org/w/api.php",
    "https://*.wikiversity.org/w/api.php",
    "https://*.wikivoyage.org/w/api.php",
    "https://*.wiktionary.org/w/api.php",
    "https://wikidata.org/w/api.php"
  ]
}