Update README.md

The MistralLite model is truly impressive with its enhanced capabilities for processing long contexts. We would like to contribute by updating the README to include accurate information about the base model. This effort aims to address the missing details in the model card.

README.md

@@ -1,6 +1,8 @@
 ---
 license: apache-2.0
 inference: false
+base_model:
+- mistralai/Mistral-7B-v0.1
 ---
 
 # MistralLite Model