Examine source code of DarkWold Browser Extension

{
  "manifest_version": 3,
  "name": "DarkWold",
  "version": "1.0.1",
  "description": "Transforms WoldianGames pages to a cleaner, more readable dark-themed format with improved post structure and BBCode tools",
  "author": "Berthok",
  "homepage_url": "https://github.com/berthok/darkwold-browser-extension",
  "browser_specific_settings": {
    "gecko": {
      "id": "darkwold@berthok",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.woldiangames.com/games/index.php*",
        "https://www.woldiangames.com/archives/index.php*",
        "https://www.woldiangames.com//archives/index.php*",
        "https://www.woldiangames.com/include/layout/editPost.php*",
        "https://www.woldiangames.com/woldiangames.htm",
        "https://www.woldiangames.com/games_index_career.htm",
        "https://www.woldiangames.com/games_index_gg_tap.htm",
        "https://www.woldiangames.com/games_index_discussion.htm",
        "https://www.woldiangames.com/welcome/welcome.html"
      ],
      "css": [
        "styles.css"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ]
}