Update README.md (#3)

- Update README.md (8447466aca6d553ad28c307248f85d55996661bb)


Co-authored-by: Alex <bratpidd@users.noreply.huggingface.co>

README.md

@@ -146,10 +146,10 @@ To work with our models just run these lines in your terminal:
 
 ```shell
 pip install thestage
-pip install 'thestage-elastic-models[nvidia]'
+pip install 'thestage-elastic-models[nvidia]' --extra-index-url https://thestage.jfrog.io/artifactory/api/pypi/pypi-thestage-ai-production/simple
 
 # or for blackwell support
-pip install 'thestage-elastic-models[blackwell]'
+pip install 'thestage-elastic-models[blackwell]' --extra-index-url https://thestage.jfrog.io/artifactory/api/pypi/pypi-thestage-ai-production/simple
 pip install -U --pre torch --index-url https://download.pytorch.org/whl/nightly/cu128
 pip install -U --pre torchvision --index-url https://download.pytorch.org/whl/nightly/cu128