Examine source code of Nautilus

{
  "manifest_version": 3,
  "name": "Nautilus Wallet",
  "short_name": "Nautilus",
  "description": "A secure and user-friendly wallet for the Ergo Platform",
  "version": "1.3.0",
  "icons": {
    "48": "icons/app/m-48.png",
    "128": "icons/app/m-128.png",
    "512": "icons/app/m-512.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self' 'wasm-unsafe-eval'; object-src 'self'"
  },
  "permissions": [
    "storage",
    "tabs"
  ],
  "action": {
    "default_popup": "src/extension/popup/index.html",
    "default_title": "Nautilus Wallet"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "src/extension/content-scripts/contentScript.js",
        "src/extension/content-scripts/injected.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "extension_ids": []
    }
  ],
  "content_scripts": [
    {
      "js": [
        "src/extension/content-scripts/contentScript.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "background": {
    "scripts": [
      "src/extension/background/background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{35bc2a66-11b8-410d-8c0e-463db6744795}"
    }
  },
  "sidebar_action": {
    "default_panel": "src/extension/popup/index.html",
    "default_icon": {
      "48": "icons/app/m-48.png",
      "128": "icons/app/m-128.png",
      "512": "icons/app/m-512.png"
    },
    "default_title": "Nautilus Wallet",
    "open_at_install": false
  }
}