Examine source code of Overwatch AI

{
  "manifest_version": 2,
  "name": "Overwatch AI",
  "version": "1.0",
  "permissions": [
    "tabs",
    "storage",
    "<all_urls>",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{9824f10c-de38-4a6c-87c9-6c1be70e0bd9}"
    }
  }
}