Examine source code of AO3 Filter

{
  "manifest_version": 3,
  "name": "AO3 Filter",
  "version": "3.2.0",
  "description": "Block unwanted fanworks on Archive of Our Own with custom CSS",
  "icons": {
    "16": "icons/icon_16.png",
    "32": "icons/icon_32.png",
    "48": "icons/icon_48.png",
    "128": "icons/icon_128.png"
  },
  "action": {
    "default_popup": "ao3_css_generator.html"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "*://archiveofourown.org/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://archiveofourown.org/*"
      ],
      "js": [
        "content/styles.js",
        "content/storage.js",
        "content/dialogs.js",
        "content/extractor.js",
        "content/matcher.js",
        "content/filter.js",
        "content/hiding.js",
        "content/popups.js",
        "content/injections.js",
        "content/main.js"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ao3-filter@yourdomain.com",
      "strict_min_version": "109.0"
    }
  }
}