10. Make edits and save in Vim

1. Press i to enter insert mode
2. Type your README content
3. Press Esc to exit insert mode
4. Type :
5. Type wq! and press Enter to write + quit

11. Validate the README changes saved

1. View the file quickly in terminal: o cat README.md

2. Check git status: o git status

12. Stage, commit, and push README updates

1. Stage: o git add README.md
2. Commit: o git commit -m "Update README"
3. Push: o git push

ALL DONE