Examine source code of Waterfall Bucket

{
  "manifest_version": 2,
  "name": "Waterfall Bucket",
  "version": "1.4",
  "description": "Extra tools for waterfall.social",
  "content_scripts": [
    {
      "matches": [
        "*://waterfall.social/*"
      ],
      "js": [
        "autotag.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html"
  },
  "browser_action": {
    "default_icon": "icon.svg",
    "default_title": "Waterfall Autotag",
    "default_popup": "options.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "autotag@beefox.xyz"
    }
  },
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  }
}