[Messenger example] join group

See merge request elixxir/elixxir-dapps-sdk-swift!151

Update Bindings

See merge request elixxir/elixxir-dapps-sdk-swift!150

elixxir/client@118de443
go version go1.19.3 darwin/arm64
Xcode 14.1 Build version 14B47b
gomobile bind target: ios,iossimulator,macos

[Messenger example] create new group

See merge request elixxir/elixxir-dapps-sdk-swift!149

[Messenger Example] Setup group chat

See merge request elixxir/elixxir-dapps-sdk-swift!148

Release 1.0.0

See merge request elixxir/elixxir-dapps-sdk-swift!102

Group Chats

See merge request elixxir/elixxir-dapps-sdk-swift!147