Revert pied de page README.md à 2022#42018

Fallou236 wants to merge 2 commits intoibm-developer-skills-network:masteribm-developer-skills-network/jbbmo-Introduction-to-Git-and-GitHub:masterfrom

Fallou236:bug-fix-revertFallou236/jbbmo-Introduction-to-Git-and-GitHub:bug-fix-revertCopy head branch name to clipboard