Please add MLC support for Tencent-HY-MT1.5 1.8B and 7B

[DenisSergeevitch]

Those models are designed for seamless on-device and cloud deployment with industry-leading speed and accuracy:
https://huggingface.co/tencent/HY-MT1.5-1.8B
https://huggingface.co/tencent/HY-MT1.5-7B