Cryptomo for ClientExec
1. Upload the "plugins" folder into your ClientExec root (it adds plugins/gateways/cryptomo).
2. Settings → Plugins → Gateways → Cryptomo: enter your Cryptomo URL, public key, secret key and webhook secret, then enable it.
3. In Cryptomo (Dashboard → Stores → your store) set the Webhook URL to
   https://YOUR-CLIENTEXEC/plugins/gateways/cryptomo/callback.php
Invoices are marked paid automatically when the crypto payment is confirmed.
