Update gao_ppl.md

Modifying Gao_Ppl #211 (closed)

added 90 commits

• 273f92d3...9fd810f9 - 88 commits from branch main
• f9f32f0d - Merge branch 'main' into ftesson_gao_ppl
• ca865b9b - merge main correct misspelling

Compare with previous version

merged

mentioned in commit 5af970e6