Fix semantic in article about lost git stash

[meduzen]

Checklist

• I’m aware of the contributing guidelines and code of conduct.
• I’ve checked if size-limit config or Lychee ignore file should be updated.

[what-the-diff]

PR Summary

• Improved Readability of Documentation
  The document named 'recover-a-lost-git-stash.md' has been updated. The display of command examples has been improved to make them easier to read and understand, increasing the document's overall clarity.

• Enhancement of Comments
  An instructive comment was appended at the end of the file, providing further useful insights on the topic.

• Aesthetic Change in User Testimonial
  The testimonial text "(Really useful post btw!)" has been aesthetically modified to enhance its appearance and emphasis.

[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
Everything	7.09 MB (-0.01% 🔽)	145.2 s (-0.01% 🔽)	9.3 s (+27.89% 🔺)	154.5 s
Assets (excluding CSS and JS)	378.48 KB (0%)	7.6 s (0%)	0 ms (+100% 🔺)	7.6 s
CSS	15.06 KB (0%)	302 ms (0%)	0 ms (+100% 🔺)	302 ms
JavaScript	82.59 KB (+0.05% 🔺)	1.7 s (+0.05% 🔺)	7.3 s (-8.56% 🔽)	9 s
Articles	20.32 KB (-0.08% 🔽)	407 ms (-0.08% 🔽)	0 ms (+100% 🔺)	407 ms
Notes	31.88 KB (-0.25% 🔽)	638 ms (-0.25% 🔽)	0 ms (+100% 🔺)	638 ms
Media for articles and notes	6.52 MB (0%)	133.5 s (0%)	0 ms (+100% 🔺)	133.5 s
Feeds	31.44 KB (-0.01% 🔽)	629 ms (-0.01% 🔽)	0 ms (+100% 🔺)	629 ms