Change CO2 emissions from kg to g

HuggingFace requires co2 emissions be displayed in gram instead of kilograms.
CodeCarbon delivers them in KG, hence this commit
- https://huggingface.co/docs/hub/en/model-cards-co2

README.md

@@ -1,7 +1,7 @@
 ---
 base_model: nicholasKluge/TeenyTinyLlama-160m
 co2_eq_emissions:
-  emissions: 5.6
+  emissions: 5600
   geographical_location: Germany
   hardware_used: NVIDIA A100-SXM4-40GB
   source: CodeCarbon