streaming dataset support

pretrain with streaming hf datasets

What's Changed

• Fixes and updates by @pszemraj in #1
• Dtype fix by @pszemraj in #2
• Streaming dataset by @pszemraj in #3

New Contributors

• @pszemraj made their first contribution in #1

Full Changelog: https://github.com/pszemraj/annotated-mpnet/commits/v0.1.1