FTIO 0.0.9 Release

Version 0.0.9

• Added burst width and duty cycle estimation (-bw, --burst_energy_fraction)
• Added phase automaton for online phase tracking (--phase-automaton, --pa-*)
• Added ZMQ reply port support (--zmq_port_reply, --debounce)
• Improved help messages for --sum/--avr/--ind, --stft_window, --burst_energy_fraction
• Added documentation: CLI reference, frequency methods, phase automaton, filtering, prediction API, ZMQ, index
• Extended README and file formats docs; fixed Zenodo link in Frontiers artifact
• Fixed all ruff violations; removed hardcoded local paths
• Feature/checkpoint management by @nGreen27 in #21

New Contributors

• @nGreen27 made his contribution in #21

Full Changelog: v0.0.8...v0.0.9