Card: BayanSimplify names and folders

Folders named after the models: v0.2-Fast, v0.2, v0.3 (BayanSimplify)

Model 3 config with beam search (num_beams 4); the app reads it from this path

arat5 bundle (int8 ONNX)

arabart bundle (int8 ONNX)

model3 bundle (int8 ONNX)

Bayan on-device models: README

initial commit