Add a feature of end to end encryption in xabber messenger.

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Components

Open source Jabber (XMPP) client with multi-account support, clean and simple interface. It is free and ad-free, Xabber is designed to be the best Jabber client for Android

Proposal

My proposal is to add of feature of end to end encryption in xabber messenger which means xabber and third-parties can't read them.
I have taken screenshot from whatsapp which has this feature enabled in it.

Mockups / Examples

In Xabber it can be put like this :

#####Benefits
It is benifit is that it is secure chatting meaning xabber and third-parties can't read messages that we send. It is most important as it is used for security. Sometimes we have messages that are passwords of huge amounts and have chance of hacking buttbos feature stops this all. In nutshell it is a safe and secure way to chat.
I suggested this as I also sometimes feel my data unsecured using Xabber Messenger.