Examine source code of Kemono Browser

{
  "manifest_version": 3,
  "name": "Kemono Browser",
  "version": "1.6.1",
  "description": "Kemono links everywhere!",
  "icons": {
    "48": "assets/border-48.png",
    "96": "assets/border-96.png"
  },
  "action": {},
  "options_ui": {
    "page": "options/options.html",
    "browser_style": false
  },
  "background": {
    "scripts": [
      "options/default.js",
      "scripts/redirect.js",
      "scripts/persist.js"
    ]
  },
  "host_permissions": [
    "https://*.vimeo.com/*",
    "https://*.kemono.su/*",
    "https://*.patreon.com/*",
    "https://*.fanbox.cc/*",
    "https://*.pixiv.net/*",
    "https://*.fantia.jp/*",
    "https://*.boosty.to/*",
    "https://*.dlsite.com/*",
    "https://*.gumroad.com/*",
    "https://*.subscribestar.com/*",
    "https://*.subscribestar.adult/*"
  ],
  "declarative_net_request": {
    "rule_resources": [
      {
        "id": "vimeofix",
        "enabled": true,
        "path": "declarativerules/vimeofix.json"
      }
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.kemono.su/*",
        "https://*.patreon.com/*",
        "https://*.fanbox.cc/*",
        "https://*.pixiv.net/*",
        "https://*.fantia.jp/*",
        "https://*.boosty.to/*",
        "https://*.dlsite.com/*",
        "https://*.gumroad.com/*",
        "https://*.subscribestar.com/*",
        "https://*.subscribestar.adult/*"
      ],
      "js": [
        "scripts/inspect.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://*.kemono.su/*/user/*/post/*"
      ],
      "js": [
        "scripts/vimeofix.js"
      ],
      "run_at": "document_end"
    }
  ],
  "permissions": [
    "declarativeNetRequest",
    "tabs",
    "storage",
    "contextMenus"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "KemonoBrowser@zWolfrost.github.com"
    }
  }
}