Onnx-mlir logo with bigger text (#109)

* used onnx-mlir logo with bigger text

Signed-off-by: Alexandre Eichenberger <alexe@us.ibm.com>

* use onnx.ai link

Signed-off-by: Alexandre Eichenberger <alexe@us.ibm.com>

* use onnx.ai secure link

Signed-off-by: Alexandre Eichenberger <alexe@us.ibm.com>

Author: AlexandreEichenberger

images/logos/logo-onnx-mlir.png

@@ -231,7 +231,7 @@ <h3 class="subheading-4 blue-text">Inference</h3>
                                                 <a href="https://developer.nvidia.com/tensorrt" target="_blank"><img src="./images/logos/logo-nvidia.png" alt="nvidia"></a>
                                             </div>
                                             <div class="col col-5-3 mb-5">
-                                                <a href="https://github.com/onnx/onnx-mlir" target="_blank"><img src="./images/logos/logo-onnx-mlir.png" alt="onnx-mlir"></a>
+                                                <a href="https://onnx.ai/onnx-mlir" target="_blank"><img src="./images/logos/logo-onnx-mlir.png" alt="onnx-mlir"></a>
                                             </div>
                                             <div class="col col-5-3 mb-5">
                                                 <a href="https://github.com/microsoft/onnxruntime" target="_blank"><img src="./images/logos/logo-ONNX-Runtime.png" alt="ONNX Runtime"></a>