Examine source code of Vigvam — Web 3.0 Wallet

{
  "manifest_version": 2,
  "name": "Vigvam — Web 3.0 Wallet",
  "version": "1.1.11",
  "icons": {
    "16": "icons/16.png",
    "48": "icons/128.png",
    "128": "icons/512.png"
  },
  "description": "__MSG_appDesc__",
  "homepage_url": "https://vigvam.app",
  "short_name": "Vigvam",
  "permissions": [
    "tabs",
    "storage",
    "clipboardWrite",
    "activeTab",
    "http://localhost:8545/",
    "https://*.infura.io/"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "author": "https://vigvam.app",
  "applications": {
    "gecko": {
      "id": "webextension@vigvam.app",
      "strict_min_version": "68.0"
    }
  },
  "default_locale": "en",
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Vigvam",
    "default_icon": {
      "16": "icons/16.png",
      "48": "icons/128.png",
      "128": "icons/512.png"
    },
    "browser_style": false
  },
  "background": {
    "page": "back.html",
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "file://*/*",
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "scripts/content.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "https://vigvam.app/*"
      ],
      "js": [
        "scripts/version.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "scripts/inpage.js"
  ]
}