Enhance README.md with additional project links

Updated links in README.md to include 'Sentinel' and improved formatting.

Author: CodeFXR

README.md

@@ -7,9 +7,10 @@
 </p>
 
 <p align="center">
-  <a href="https://github.com/CodeFXR/CLI-Studio">CLI▶Studio</a> • 
+  <a href="https://github.com/CodeFXR/CLI-Studio">CLI-Studio</a> • 
   <a href="https://github.com/CodeFXR/Synapxis">Synapxis</a> • 
-  <a href="https://github.com/CodeFXR/LXM">LXM</a>
+  <a href="https://github.com/CodeFXR/LXM">LXM</a> •
+  <a href="https://github.com/CodeFXR/Sentinel">Sentinel
 </p>
 
 <p align="center">