Examine source code of Reddit Forum View

{
  "manifest_version": 3,
  "name": "Reddit Forum View",
  "version": "1.2.0",
  "description": "Flattens Reddit comments into a chronological forum view.",
  "browser_specific_settings": {
    "gecko": {
      "id": "reddit-forum-view@anhnguyen.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "webNavigation",
    "storage"
  ],
  "options_ui": {
    "page": "settings.html",
    "open_in_tab": true
  },
  "host_permissions": [
    "*://*.reddit.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.reddit.com/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles/variables.css",
        "styles/layout.css",
        "styles/posts.css",
        "styles/quotes.css",
        "styles/components.css",
        "styles/mobile.css"
      ]
    }
  ]
}