Examine source code of Nostr Map Signer

{
  "name": "Nostr Map Signer",
  "version": "0.2.1",
  "description": "Extension Nostr francophone pour signer en NIP-07 et connecter son wallet Lightning via NWC.",
  "manifest_version": 2,
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "alarms",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "vendor/nostr.bundle.js",
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-script.js"
      ],
      "run_at": "document_end"
    }
  ],
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "web_accessible_resources": [
    "page-bridge.js",
    "confirm/*",
    "zap/*"
  ],
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Alt+Shift+N"
      },
      "description": "Ouvrir Nostr Map Signer"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "nostrmap-signer@nostrmap.fr",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "browser_action": {
    "default_title": "Nostr Map Signer",
    "default_popup": "popup/popup.html",
    "default_area": "navbar",
    "default_icon": {
      "16": "icons/icon-16.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  }
}