Update installation instructions after optimum-onnx release (#80)

Author: echarlaix

README.md

@@ -14,13 +14,13 @@
 Before you begin, make sure you install all necessary libraries by running:
 
 ```bash
-pip install "optimum-onnx[onnxruntime] @ git+https://github.com/huggingface/optimum-onnx.git"
+pip install "optimum-onnx[onnxruntime]"
 ```
 
 If you want to use the [GPU version of ONNX Runtime](https://onnxruntime.ai/docs/execution-providers/CUDA-ExecutionProvider.html#cuda-execution-provider), make sure the CUDA and cuDNN [requirements](https://onnxruntime.ai/docs/execution-providers/CUDA-ExecutionProvider.html#requirements) are satisfied, and install the additional dependencies by running :
 
 ```bash
-pip install "optimum-onnx[onnxruntime-gpu] @ git+https://github.com/huggingface/optimum-onnx.git"
+pip install "optimum-onnx[onnxruntime-gpu]"
 ```
 
 To avoid conflicts between `onnxruntime` and `onnxruntime-gpu`, make sure the package `onnxruntime` is not installed by running `pip uninstall onnxruntime` prior to installing Optimum.

docs/source/installation.mdx

@@ -16,7 +16,7 @@ specific language governing permissions and limitations under the License.
 To install Optimum ONNX, you can do:
 
 ```bash
-pip install "optimum-onnx[onnxruntime] @ git+https://github.com/huggingface/optimum-onnx.git"
+pip install "optimum-onnx[onnxruntime]"
 ```
 
 Optimum ONNX is a fast-moving project, and you may want to install from source with the following command: