Examine source code of PicomaExt

{
  "manifest_version": 2,
  "name": "PicomaExt",
  "version": "1.2.3",
  "description": "piccoma見開き化、ページ毎ブックマーク機能",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*.piccoma.com/web/*"
      ],
      "js": [
        "jquery-3.6.0.min.js",
        "config.js",
        "db.js",
        "script.js",
        "options.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "html/sidenav.html",
    "css/mihiraki.css",
    "test/testdata.json"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{70656996-662d-4da1-b53d-112e252b9994}"
    }
  }
}