latex-template

feat: refine \todo macro to always prefix with TODO and support case-insensitive label matching; update documentation and examples

feat: add VSCode settings for custom LaTeX command coloring in editor

feat: update README and custom.sty to include new dependencies and clarify usage instructions; enhance report with AI collaboration examples

feat: remove \placeholder macro and update report to use inline text instead

feat: add inline placeholder command \ph and update report with usage examples