* removed env var usage from SDK services
* started consolidating configure.py
* 1–3 work
* cleaned up the rest
* more cleanup
* cleanup and 05 tinkering
* made fal keys optional
* added async openai services
* added async openai services
* added Deepgram service with 05 example
* modernized the 'say one thing' example
* async all the things
* cleanup and user greeting
* more cleanup