Examine source code of RESTWizard

{
  "manifest_version": 2,
  "name": "RESTWizard",
  "version": "1.0",
  "description": "A powerful RESTful API Testing Tool for developers",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "<all_urls>",
    "storage",
    "tabs",
    "webRequest",
    "webRequestBlocking"
  ],
  "browser_action": {
    "default_icon": "icons/icon-48.png",
    "default_title": "RESTWizard",
    "default_popup": "popup/popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "sidebar_action": {
    "default_icon": "icons/icon-48.png",
    "default_title": "RESTWizard Sidebar",
    "default_panel": "sidebar/sidebar.html"
  },
  "commands": {
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+R"
      }
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e2fe1428-faaf-4700-8bd2-1bb33b98f12f}"
    }
  }
}