valalalalala

Add training options

6

### Continue training existing model Modified train_unconditional so the model is reloaded if it exists: `export COMMAND="python examples/train_unconditional.py --resolution 32 --num_epochs 10 --train_data_dir training-images --output_dir model"` ``` % ${COMMAND} creating...

Added support for json request and responses based on the request's Content-Type. Reworked the voice loading slightly so the voice can be specified in the json request and changed dynamically.

I copied the addon from Godot_Whisper.zip (md5:21746d4bb59dea36eb1159447d9b8539) into a blank project running on the quest native version of godot. It fails to load on startup: ``` Can't open dynamic library:...