fix: update QED_MATH_URL secret reference

fix: update ghactions env vars

fix: replace ActionsDesk/lfs-warning with shell find for file size check

add .gitattributes and normalize line endings to LF

add inference validation workflow

add ruff lint and format CI check

consolidate Dockerfiles and add GHCR image publish workflow

check for existing hf space & create if not found

improve handling of env vars

add gh-action branch to workflow

gh actions for checking file sizes and syncing to hf