Update README.md

Update README.md

Update preprocess.py

add new dataset

Merge pull request #8 from Baiiiiiiiiii/main

add 4 datasets: codefeedback_filtered_instruction, databricks_dolly_15k, mental_health_counseling_conversations, niv_al_instruct

Merge branch 'main' of https://github.com/Baiiiiiiiiii/awesome-chatgpt-dataset

fix json file typo error in opencerebrum_sft.py

Merge pull request #7 from Baiiiiiiiiii/main

add 3 datasets: opencerebrum_sft, openorca, tulu_v2_sft_mixture

add new dataset, print process log

Merge pull request #6 from dlion168/addDatasets

add threomeqa dataset

add new dataset

Merge pull request #5 from dlion168/addDatasets