- Add FPS idling
User actions:
- create new 'Project'
- add 'Stream' to project
- TCP/IP stream
- Serial stream
- MQTT stream
- live analysis stream (needs a new name)
- configure project 'backend' (CSV/Parquet/Avro/Protobuf)
- add signals to streams (schemas)
- save and open project for analysis (offline project??)