Add link to blog post overview

Signed-off-by: Alex Saveau <saveau.alexandre@gmail.com>

README.md

@@ -9,7 +9,8 @@ The FUC-ing project provides modern unix commands focused on performance:
 - [`cpz`](cpz): a zippy alternative to [`cp`](https://man7.org/linux/man-pages/man1/cp.1.html)
 - [`rmz`](rmz): a zippy alternative to [`rm`](https://man7.org/linux/man-pages/man1/rm.1.html)
 
-Benchmarks are available under the [`comparisons`](comparisons) folder.
+Benchmarks are available under the [`comparisons`](comparisons) folder and a brief technical
+overview is available at https://alexsaveau.dev/blog/fuc.
 
 ## Goals