Adding vllm as dependency; fix dep install with hatchling

requirements.txt

@@ -1,5 +1,4 @@
--f https://download.pytorch.org/whl/torch_stable.html 
-torch==2.0.1+cu118
+-f https://download.pytorch.org/whl/torch_stable.html torch==2.0.1+cu118
 accelerate
 appdirs
 loralib
@@ -14,3 +13,4 @@ sentencepiece
 py7zr
 scipy
 optimum
+vllm