Update .gitattributes to use LFS for PDF, DOCX, and PPTX files; simplify workflow for pushing to Hugging Face

Refactor .gitattributes for git-xet and update workflow to add upstream remote

Update .gitattributes and workflow to configure git-xet for binary storage on Hugging Face

Remove --force option from git xet install command in workflow

Update git-xet installation and push commands for Hugging Face integration

Add --force option to git xet login command for Hugging Face authentication

Remove --force option from git xet install command in workflow

Update GitHub Actions workflow to install git-xet and configure authentication for Hugging Face

Remove LFS for PDFs; store as regular files

Add .gitattributes for Git LFS support and update workflow to install Git LFS

Add host parameter to Xet login command in GitHub Actions workflow

Update Xet login command in GitHub Actions workflow to use user and email parameters

Refactor Xet installation and authentication steps in GitHub Actions workflow

Enhance Xet login process in GitHub Actions workflow

Fix Xet login command in GitHub Actions workflow

Refactor GitHub Actions workflow for Hugging Face sync

Configure Git user for GitHub Actions

Fix Hugging Face remote URL and pull strategy

Modify GitHub Actions workflow for Hugging Face integration

Add GitHub Actions workflow to sync to Hugging Face hub