Examine source code of Nested star lists for GitHub

{
  "manifest_version": 3,
  "name": "Nested star lists for GitHub",
  "version": "0.1.2",
  "description": "Show star lists named parent/child as a collapsible folder tree.",
  "homepage_url": "https://github.com/injaeryou/nested-star-lists-for-github",
  "browser_specific_settings": {
    "gecko": {
      "id": "nested-star-lists-for-github@injaeryou.dev",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "storage"
  ],
  "action": {
    "default_popup": "options.html",
    "default_title": "Nested star lists for GitHub"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": false
  },
  "content_scripts": [
    {
      "matches": [
        "https://github.com/*"
      ],
      "js": [
        "src/core.js",
        "src/settings.js",
        "src/rail.js",
        "src/picker.js",
        "src/boot.js"
      ],
      "run_at": "document_start",
      "css": [
        "styles.css"
      ]
    }
  ]
}