Examine source code of GitHub Code Folding Pro

{
  "name": "GitHub Code Folding",
  "version": "0.3.3",
  "description": "Enable code folding when viewing files in GitHub.",
  "homepage_url": "https://github.com/noam3127/github-code-folding",
  "manifest_version": 2,
  "minimum_chrome_version": "88",
  "author": "Noam Lustiger",
  "short_name": "Github Code Folding",
  "permissions": [
    "tabs",
    "*://github.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "128": "images/icon-128.png"
  },
  "content_scripts": [
    {
      "run_at": "document_end",
      "matches": [
        "*://github.com/*"
      ],
      "css": [
        "style.css"
      ]
    }
  ],
  "web_accessible_resources": [
    "style.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{aeca57cd-4c27-444a-8182-9838fccefcd0}"
    }
  }
}