Examine source code of Manga Mark

{
  "name": "Manga Mark",
  "description": "Mark your manga as read",
  "version": "2.5.3",
  "manifest_version": 3,
  "icons": {
    "16": "img/logo-16.png",
    "32": "img/logo-32.png",
    "48": "img/logo-48.png",
    "128": "img/logo-128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": "img/logo-48.png"
  },
  "background": {
    "scripts": [
      "service-worker-loader.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "js": [
        "assets/index.ts-loader-Bo79Dpkr.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "css": [
        "assets/index-z0poJfbF.css"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "matches": [],
      "resources": [
        "icons/logo.ico"
      ]
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "resources": [
        "assets/chunk-DQILc4UN.js",
        "assets/chunk-BAA1tFkb.js",
        "assets/chunk-CTpbfXH_.js",
        "assets/chunk-C7EGKi7E.js"
      ]
    }
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "permissions": [
    "cookies",
    "alarms",
    "storage",
    "activeTab"
  ],
  "commands": {
    "update_chapter": {
      "suggested_key": {
        "default": "Ctrl+Shift+U",
        "mac": "Command+Shift+U"
      },
      "description": "Update chapter"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{5f310c39-662e-493e-b755-0af887ca98b6}",
      "strict_min_version": "146.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "146.0"
    }
  }
}