add mps support and fix #20

[hdcola]

No description provided.

[sgowdaks]

@hdcola the commit is failing due to the line break in the following code:

epilog=f'Loaded from {
            __file__}. Source code: https://github.com/thammegowda/nllb-serve', 

Could you please make it a single line and push the commit?"

Thanks