please give t5 support.

[Aryabhattacharjee]

i request you to please give t5 model support from hugging face

[danielhanchen]

When Unsloth adds auto model support, it should work!

[maxzuo]

@danielhanchen I think the issue is broader than all model support since unsloth never loads using AutoModelForSeq2SeqLM, I made #3153 that hopefully addresses this.