Examine source code of Nintondo Wallet

{
  "short_name": "Nintondo Wallet",
  "author": "Nintondo",
  "manifest_version": 3,
  "name": "Nintondo Wallet",
  "icons": {
    "48": "logo-48.png",
    "128": "logo-128.png"
  },
  "action": {
    "default_popup": "index.html",
    "default_title": "Open the popup",
    "default_icon": {
      "48": "logo-48.png",
      "128": "logo-128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "pageProvider.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "nintondo-extension@nintondo.io",
      "strict_min_version": "113.0"
    },
    "gecko_android": {
      "strict_min_version": "113.0"
    }
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "tabs"
  ],
  "sidebar_action": {
    "default_icon": "logo-128.png",
    "default_title": "Nintondo Wallet",
    "default_panel": "index.html"
  },
  "version": "0.3.10"
}