feat(hw-03): add 524881 git commands

git pull upstream main

git push origin main

git branch feat/hw-03

git switch feat/hw-03

vim 524881.txt

git add 524881.txt

git commit -m "feat(hw-03): add 524881 seminar review"

git add 524881_commands.txt

git commit -m "feat(hw-03): add 524881 git commands"

git push -u origin feat/hw-03