Add Laguna Martini banner

Add the project banner and display it at the top of the model card.

.gitattributes

@@ -33,3 +33,4 @@ saved_model/**/* filter=lfs diff=lfs merge=lfs -text
 *.zip filter=lfs diff=lfs merge=lfs -text
 *.zst filter=lfs diff=lfs merge=lfs -text
 *tfevents* filter=lfs diff=lfs merge=lfs -text
+assets/laguna_martini_banner.png filter=lfs diff=lfs merge=lfs -text

README.md

@@ -12,6 +12,10 @@ tags:
   - inference
 ---
 
+<p align="center">
+  <img alt="Laguna Martini structured MoE pruning banner" src="assets/laguna_martini_banner.png" width="100%">
+</p>
+
 # Laguna Martini - structured MoE pruning for Laguna XS.2
 
 > **25% fewer experts, served straight up.**