Add hfviewer architecture card

Embed the hfviewer architecture visualization card in README.md.

README.md

@@ -31,6 +31,16 @@ This release represents approximately **1.23 billion trained tokens** out of a p
 
 ---
 
+## Architecture graph
+
+<a href="https://hfviewer.com/GODELEV/Archaea-74M?utm_source=huggingface&amp;utm_medium=embedded_model_card&amp;utm_campaign=GODELEV_Archaea-74M_card" target="_blank" rel="noopener">
+  <img
+    src="https://hfviewer.com/api/card.svg?source=GODELEV%2FArchaea-74M&amp;granularity=0"
+    alt="Architecture graph for GODELEV/Archaea-74M. Open in hfviewer"
+    width="100%"
+  />
+</a>
+
 # Architecture
 
 ## Transformer Configuration
@@ -321,4 +331,4 @@ Known limitations:
   publisher={Hugging Face},
   url={https://huggingface.co/GODELEV/Archaea-74M}
 }
-```
+```