added github link

README.md

@@ -16,6 +16,10 @@ This model was trained as a small, under-1B alternative to larger base models (e
 
 It is not instruction-tuned and not RLHF’d — this is a raw pretrained base model.
 
+Source code can be found here:
+
+https://github.com/Xv-yn/smolLM3_500M
+
 ## Model details
 
 This model uses the standard smolLM3 architecture and tokenizer; only the