add logs
log format:
2025-08-19 02:59:15,199 - INFO - Incoming TTS request from IP: 172.17.0.1. Text: 'input text'
2025-08-19 02:59:15,199 - INFO - Generating speech for text from IP: 172.17.0.1. Output path: output_audios/ed48f346-d73a-4a00-a55c-f61c81aaec1c.wav
2025-08-19 02:59:28,718 - INFO - Successfully generated speech file at output_audios/ed48f346-d73a-4a00-a55c-f61c81aaec1c.wav for request from IP: 172.17.0.1.
Edited by dvorak chen