refactor: restructure the exercise-finished README template (#60)

Author: FidelusAleksander

markdown-templates/readme/exercise-finished.md

@@ -1,28 +1,30 @@
-# Congratulations! :tada:
 
-<img src="https://octodex.github.com/images/welcometocat.png" align="right" height="250px" />
+<div align="center">
 
-Yay **{{ login }}** you finished the exercise! Nice work :tada:
+# 🎉 Congratulations {{ login }}! 🎉
 
-If you would like to retrace your steps, you can always revisit the exercise.
+<img src="https://octodex.github.com/images/welcometocat.png" height="200px" />
 
-[![](https://img.shields.io/badge/Return%20to%20Exercise-%E2%86%92-1f883d?style=for-the-badge&logo=github&labelColor=197935)]({{{ issue_url }}})
-
-> [!TIP]
-> Mona won't grade you this time! 😉
+### 🌟 You've successfully completed the exercise! 🌟
 
-### 🚀 Share Your Success!
+## 🚀 Share Your Success!
 
-Show off your new skills and inspire others in the developer community!
+**Show off your new skills and inspire others!**
 
 <a href="https://twitter.com/intent/tweet?text={{ encoded_socials_text }}" target="_blank" rel="noopener noreferrer">
   <img src="https://img.shields.io/badge/Share%20on%20X-1da1f2?style=for-the-badge&logo=x&logoColor=white" alt="Share on X" />
 </a>
 
----
+### 🎯 What's Next?
+**Keep the momentum going!**
 
-### Craving more? :raising_hand:
+[![](https://img.shields.io/badge/Return%20to%20Exercise-%E2%86%92-1f883d?style=for-the-badge&logo=github&labelColor=197935)]({{{ issue_url }}})
+[![GitHub Skills](https://img.shields.io/badge/Explore%20GitHub%20Skills-000000?style=for-the-badge&logo=github&logoColor=white)](https://skills.github.com)
 
-Did you enjoy this practical style of learning? There's no better way to learn than building things, right?!
+*There's no better way to learn than building things!* 🚀
+
+</div>
+
+---
 
-Let's keep the momentum going! Head over to [GitHub Skills](https://skills.github.com) catalog to find another hands-on exercise. :rocket:
+&copy; 2025 GitHub &bull; [Code of Conduct](https://www.contributor-covenant.org/version/2/1/code_of_conduct/code_of_conduct.md) &bull; [MIT License](https://gh.io/mit)