Add FrontRightDown calibration tool (#86)

* Add FrontRightDown calibration tool

Fix missing cameras error

Show SDK version using sai-cli -h (#82)

Show SDK version using sai-cli -h (#82)

Diagnose detects discarded frames

sai-cli diagnose: Plot vio outputs if they are available

sai-cli diagnose: Plot vio outputs if they are available

Small improvements to sai-cli tool (#70)

* Fix sai-cli -h (import yaml when needed)

* Simplify smooth.py imports (use run_sai_cli.py instead)

* Catch ImportError in sai_cli.py and suggest pip install spectacularAI[full]

* Improve error message

Fix glDrawPixels error in Python visualizer (#66)

Generate calibration report (#57)