docs: add install/run instructions (Releases + download script + landing) and q8

add Q8_0 encoder (254MB, CER 7.99 = f16, ~27x RT)

docs: binary now prints text (in-binary detok)

embed vocab for in-binary detok (text output)

embed vocab for in-binary detok (text output)

Upload sensevoice-small.gguf with huggingface_hub

Upload sensevoice-small-f16.gguf with huggingface_hub

Upload README.md with huggingface_hub

initial commit