ProBuilders Relay - v0.0.2

• added new Server-Side Events (SSE) client for chat transmission
• add auto update using these releases (endpoint can be changed if fork is used)
• added new endpoints to config
• include README.md in application
• ping application server once a message was recieved
• add websocket reject command
• servers are now identified using server instead of server_id
• use secure websocket endpoint by default
• update dependencies