Examine source code of Kuknos Wallet

{
  "manifest_version": 2,
  "name": "Kuknos Extension",
  "version": "2.0.2",
  "icons": {
    "16": "assets/logo/logo.png",
    "32": "assets/logo/logo.png",
    "48": "assets/logo/logo.png",
    "128": "assets/logo/logo.png"
  },
  "description": "A web browser extension for Kuknos Wallet!",
  "homepage_url": "https://github.com/vahidid/kuknos-extension",
  "short_name": "Kuknos Extension",
  "permissions": [
    "tabs",
    "<all_urls>",
    "activeTab",
    "storage",
    "clipboardWrite",
    "webRequest",
    "unlimitedStorage"
  ],
  "content_security_policy": "script-src 'self' 'unsafe-eval'; object-src 'self'",
  "author": "Vahid Hasani",
  "browser_specific_settings": {
    "gecko": {
      "id": "{b02cc6b7-26e6-4da0-92e5-6eee1ed2cb1e}",
      "strict_min_version": "48.0"
    }
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Kuknos Extension",
    "browser_style": false,
    "default_icon": "assets/logo/logo.png"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "js/background.bundle.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/contentScript.bundle.js"
      ],
      "run_at": "document_start"
    }
  ]
}