Split cuda and nocuda index files into their own

PiperOrigin-RevId: 455463113

Author: yashk2810

README.md

@@ -452,7 +452,7 @@ Next, run
 pip install --upgrade pip
 # Installs the wheel compatible with CUDA 11 and cuDNN 8.2 or newer.
 # Note: wheels only available on linux.
-pip install --upgrade "jax[cuda]" -f https://storage.googleapis.com/jax-releases/jax_releases.html
+pip install --upgrade "jax[cuda]" -f https://storage.googleapis.com/jax-releases/jax_cuda_releases.html
 ```
 
 
@@ -464,10 +464,10 @@ version for jaxlib explicitly:
 pip install --upgrade pip
 
 # Installs the wheel compatible with Cuda >= 11.4 and cudnn >= 8.2
-pip install "jax[cuda11_cudnn82]" -f https://storage.googleapis.com/jax-releases/jax_releases.html
+pip install "jax[cuda11_cudnn82]" -f https://storage.googleapis.com/jax-releases/jax_cuda_releases.html
 
 # Installs the wheel compatible with Cuda >= 11.1 and cudnn >= 8.0.5
-pip install "jax[cuda11_cudnn805]" -f https://storage.googleapis.com/jax-releases/jax_releases.html
+pip install "jax[cuda11_cudnn805]" -f https://storage.googleapis.com/jax-releases/jax_cuda_releases.html
 ```
 
 You can find your CUDA version with the command: