Examine source code of Rustdoc Global Theme

{
  "manifest_version": 2,
  "name": "Rustdoc Global Theme",
  "version": "1.0.3",
  "description": "Sets your rustdoc theme globally.",
  "permissions": [
    "*://doc.rustlang.org/*",
    "*://docs.rs/*",
    "file:///*",
    "*://localhost/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Choose Theme",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{602ceb94-c0e7-45a1-91d1-eea8ced2de46}"
    }
  },
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  }
}