Examine source code of RISC widgets

{
  "manifest_version": 2,
  "name": "RISC widgets",
  "version": "1.0.6",
  "description": "A toggle switch with a corresponding content script function.",
  "browser_action": {
    "default_popup": "popup.html"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "activeTab",
    "storage",
    "tabs",
    "nativeMessaging",
    "scripting",
    "unlimitedStorage",
    "management",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{2dd207d4-b02b-4bca-84fa-1e4c37617403}"
    }
  }
}