Remove auto-generated Hugo image files from resources/_gen/. These files are build artifacts and should not be version controlled (already listed in .gitignore but were previously committed).
- Add resources/_gen/ for Hugo-generated assets - Add node_modules/ for NPM dependencies - Add test output directories (tmp/, .htmltest/) - Add devbox local directory (.devbox/) - Add IDE files (VS Code, IntelliJ, Vim) - Add OS-specific files (macOS, Windows) - Add log files - Remove package.json from ignore (needed for NPM scripts)