fix: load tidymodels and ranger libraries for vetiver execution

feat: use local vetiver pins for robust model serving

fix: correct Plumber syntax for index.html landing page

fix: make dotenv loading conditional to avoid crash on HF

feat: add index.html as main landing page

fix: make dotenv loading conditional to avoid crash on HF

chore: bypass renv and use fast binary packages from Posit

fix: adjust Dockerfile layers for correct renv execution

fix: add libpq-dev dependency for RPostgres compilation

fix: add cmake dependency for fs package compilation

fix: resolve missing renv.lock in Docker build

fix: add YAML frontmatter to README for Hugging Face configuration

feat: fresh initial commit without binary files