Revise README content and formatting

Updated README to enhance clarity and structure.

Author: 77axel

README.md

@@ -1,5 +1,6 @@
 <p align="center">
-  <img src="./assets/logo.svg" alt="PyCNN Logo" width="180">
+  <img src="./assets/logo.svg" alt="PyCNN Logo" width="180"><br><strong >A Python library to easily build, train, and test your CNN AI models.</strong>
+  
 </p>
 
 <p align="center">
@@ -305,3 +306,4 @@ See the [PyCNN Documentation](https://77axel.github.io/PyCNN) for detailed guide
 
 
 
+