Fix issues in some samples; the affected files are: val_tab_1585.tex, val_tab_1585.png, val_tab_0238.png, and val_tab_1588.png.

Add JSON tables with human verification

update operations for val_fig_0142 and val_fig_0186

update evi_path

fix a claim error of val_fig_0163 and val_fig_1539

Remove .DS_Store files and update .gitignore

update evi_path in .json files

ignore macOS .DS_Store files

add dataset files