Examine source code of QA Sidekick

{
  "manifest_version": 2,
  "name": "QA Sidekick",
  "version": "1.0.0",
  "description": "The most efficient way for teams to manage product testing.",
  "permissions": [
    "storage"
  ],
  "background": {
    "scripts": [
      "./jquery.js",
      "./browser-polyfill.js",
      "./static/js/background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": false,
      "js": [
        "./browser-polyfill.js",
        "./static/js/content.js",
        "./jquery.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "icon-16.png",
    "48": "icon-48.png",
    "128": "icon-128.png"
  },
  "browser_action": {
    "default_icon": {
      "128": "icon-128.png"
    },
    "default_title": "QA Sidekick"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "web_accessible_resources": [
    "popup.html",
    "/static/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{43db100d-0294-4910-8bcb-2e6e5c503449}"
    }
  }
}