1968a0e481
- Add html-lint job to CI that runs djlint on all PRs - Configure djlint in pyproject.toml with Jinja2 profile and accessibility rules - Add djlint to requirements-dev.txt - Expand accessibility section in frontend Copilot instructions (WCAG 2.1 AA) - Wire html-lint into CI dependency chain (test/mypy/build depend on it) Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>