Examine source code of CipherChat

{
  "manifest_version": 2,
  "name": "CipherChat",
  "version": "1.0.0",
  "description": "Encrypt and decrypt selected text in any input field using AES-256-GCM. Set a shared password, then right-click to encrypt before sending or decrypt after receiving.",
  "browser_specific_settings": {
    "gecko": {
      "id": "{8610a9a0-f19e-4db5-a9db-2e9863dff6ea}",
      "strict_min_version": "96.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "113.0"
    }
  },
  "permissions": [
    "activeTab",
    "menus",
    "storage"
  ],
  "icons": {
    "48": "assets/icon.svg",
    "96": "assets/icon.svg"
  },
  "browser_action": {
    "default_icon": "assets/icon.svg",
    "default_title": "CipherChat",
    "default_popup": "src/popup.html"
  },
  "background": {
    "scripts": [
      "src/background.js"
    ]
  }
}