Add proxy to another plugin

Hello and respect
I use the following plugin. But unfortunately, due to boycotting the telegram in my country, unfortunately this plug does not respond anymore. And the other developer does not support
https://www.ads-software.com/plugins/channeller-telegram-channel-administrator/
I used your plugin. And thank you for the excellent idea of adding a proxy
But I got used to that plugin for simplicity and convenience.
Can you help me add the Google Script code to the plugin?
If it is possible to help me
God bless you