Examine source code of Octobox

{
  "manifest_version": 3,
  "name": "Octobox",
  "version": "1.0.0",
  "description": "Integrate Octobox directly into your GitHub workflow",
  "author": "Andrew Nesbitt",
  "homepage_url": "https://octobox.io",
  "icons": {
    "48": "icons/octobox-48.png",
    "96": "icons/octobox-96.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.github.com/*",
        "*://octobox.io/*"
      ],
      "js": [
        "octobox.js"
      ],
      "css": [
        "octobox.css"
      ]
    }
  ],
  "host_permissions": [
    "*://octobox.io/*"
  ],
  "permissions": [
    "storage"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/*"
      ],
      "matches": [
        "*://*.github.com/*",
        "*://octobox.io/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{abf2af07-72a6-450b-8aca-a985ab478330}"
    }
  }
}