moko-bricks chat module

[Alex009]

Chat module with adapters to common chat services

modules:

• dev.icerock.moko:brick-chat-core - core functional
• dev.icerock.moko:brick-chat-adapter-mock - mock adapter for tests
• dev.icerock.moko:brick-chat-adapter-livetex - mock adapter for livetex chat https://livetex.ru/
• dev.icerock.moko:brick-chat-ui - ui with some customization