Examine source code of Memolight

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "version": "1.0.7",
  "default_locale": "en",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "storage",
    "scripting"
  ],
  "host_permissions": [
    "https://dvdprime.com/*",
    "https://*.dvdprime.com/*",
    "https://www.bobaedream.co.kr/*",
    "https://m.bobaedream.co.kr/*",
    "https://*.bobaedream.co.kr/*",
    "https://mlbpark.donga.com/*",
    "https://www.inven.co.kr/board/*",
    "https://m.inven.co.kr/board/*",
    "https://b.hatena.ne.jp/*",
    "https://news.ycombinator.com/*",
    "https://bsky.app/*",
    "https://slickdeals.net/*",
    "https://*.slickdeals.net/*",
    "https://mobile01.com/*",
    "https://*.mobile01.com/*",
    "https://reddit.com/*",
    "https://*.reddit.com/*",
    "https://threads.net/*",
    "https://*.threads.net/*",
    "https://threads.com/*",
    "https://*.threads.com/*",
    "https://x.com/*",
    "https://*.x.com/*",
    "https://twitter.com/*",
    "https://*.twitter.com/*"
  ],
  "optional_host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "action": {
    "default_title": "__MSG_extensionName__",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "options_page": "options.html",
  "content_scripts": [
    {
      "matches": [
        "https://dvdprime.com/*",
        "https://*.dvdprime.com/*",
        "https://www.bobaedream.co.kr/*",
        "https://m.bobaedream.co.kr/*",
        "https://*.bobaedream.co.kr/*",
        "https://mlbpark.donga.com/*",
        "https://www.inven.co.kr/board/*",
        "https://m.inven.co.kr/board/*",
        "https://b.hatena.ne.jp/*",
        "https://news.ycombinator.com/*",
        "https://bsky.app/*",
        "https://slickdeals.net/*",
        "https://*.slickdeals.net/*",
        "https://mobile01.com/*",
        "https://*.mobile01.com/*",
        "https://reddit.com/*",
        "https://*.reddit.com/*",
        "https://threads.net/*",
        "https://*.threads.net/*",
        "https://threads.com/*",
        "https://*.threads.com/*",
        "https://x.com/*",
        "https://*.x.com/*",
        "https://twitter.com/*",
        "https://*.twitter.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "content.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "memolight@example.local",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}