Examine source code of Grind Wallet

{
  "manifest_version": 2,
  "name": "Grind Wallet",
  "description": "A Crypto Wallet for the Internet Computer (ICP) blockchain.",
  "version": "0.8.2",
  "permissions": [
    "storage",
    "notifications",
    "alarms"
  ],
  "applications": {
    "gecko": {
      "id": "admin@grindwallet.com",
      "strict_min_version": "109.0"
    }
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "assets/icon16.png",
      "48": "assets/icon48.png",
      "128": "assets/icon128.png"
    }
  },
  "sidebar_action": {
    "default_panel": "popup.html",
    "default_icon": {
      "16": "assets/icon16.png",
      "48": "assets/icon48.png",
      "128": "assets/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    "inject.js"
  ],
  "icons": {
    "16": "assets/icon16.png",
    "48": "assets/icon48.png",
    "128": "assets/icon128.png"
  },
  "content_security_policy": "script-src 'self'; object-src 'none'; base-uri 'none'; form-action 'none'"
}