Add sparse attention weights & modify relevant description of model card

Add sparse attention weights & modify relevant description of model card

update discord & x link (#4)

Update README.md (#2)

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Update README.md

Add files using upload-large-folder tool

Add files using upload-large-folder tool

Add files using upload-large-folder tool

initial commit