adding reference to onnx-mlir-serving (#1745)

Signed-off-by: Alexandre Eichenberger <[email protected]>
Co-authored-by: chentong319 <[email protected]>

README.md

@@ -156,3 +156,7 @@ Practically, each `git commit` needs to be signed, see [here](docs/Workflow.md#s
 ## Code of Conduct
 
 The ONNX-MLIR code of conduct is described at https://onnx.ai/codeofconduct.html.
+
+## Projects related/using onnx-mlir
+
+* The [onnx-mlir-serving](https://github.com/IBM/onnx-mlir-serving) project implements a GRPC server written with C++ to serve onnx-mlir compiled models. Benefiting from C++ implementation, ONNX Serving has very low latency overhead and high throughput.