Examine source code of Boing Web FF

{
  "action": {
    "default_icon": {
      "16": "public/icons/icon16.png",
      "48": "public/icons/icon48.png",
      "128": "public/icons/icon128.png"
    },
    "default_popup": "src/popup/index.html",
    "default_title": "Boing Web Settings"
  },
  "content_scripts": [
    {
      "js": [
        "assets/index.ts-loader-U6jphSRu.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_idle"
    }
  ],
  "description": "Adds organic, game-style bouncy physics to web elements.",
  "icons": {
    "16": "public/icons/icon16.png",
    "48": "public/icons/icon48.png",
    "128": "public/icons/icon128.png"
  },
  "manifest_version": 3,
  "name": "Boing Web - Bouncy physics on any page",
  "permissions": [
    "storage"
  ],
  "version": "1.0.0",
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "assets/settings-D8UOZLJm.js",
        "assets/index.ts-B5o-Hav5.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "boing-physics@local",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}