Examine source code of Dream Tools

{
  "manifest_version": 3,
  "name": "Dream Tools",
  "version": "1.0",
  "description": "A collection of tools to supercharge your Dreamwidth experience with account switching, custom buttons, icon search, and more.",
  "permissions": [
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "*://*.dreamwidth.org/*"
  ],
  "options_page": "options.html",
  "content_scripts": [
    {
      "matches": [
        "*://*.dreamwidth.org/*"
      ],
      "js": [
        "content.js"
      ],
      "all_frames": true
    }
  ],
  "background": {
    "scripts": [
      "browser-polyfill.js",
      "service-worker.js"
    ]
  },
  "action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "img/DTicon16.png",
    "48": "img/DTicon48.png",
    "128": "img/DTicon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "Hatter@Discord",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}