Integration with discord/slack

[Jurigag]

When new topic is created show info about it on discord/slack channel.

Also in future:

• replies in discussions
• solved discussions

[Jurigag]

#376 discord coming here

[Jurigag]

Are we going to enable it someday on live forum and our discord finally? @niden @sergeyklay

I can help with any installation and configuration if you have any problem

[sergeyklay]

We'll try to release #393 on weekend

[Jurigag]

Yea sure but it will require additional things on discord and server(add task to cli) so ping me somewhere if you need any help.

[sergeyklay]

@Jurigag Could you please split the current task into several independents ones to be able close this issue :)