GitLab

**Description**
Add ONNXRuntime inference benchmark based on ORT python API.

**Major Revision**
- Add `ORTInferenceBenchmark` class to export pytorch model to onnx model and do inference
- Add tests and example for `ort-inference` benchmark
- Update the introduction docs.

**Description**
Unify metric names of benchmarks.

**Description**
Update ib validtion mirobenchmark metrics.

**Description**

Update gpu-copy benchmark metrics.

__Description__

Add TensorRT inference benchmark for torchvision models.

__Major Revision__
- Measure TensorRT inference performance.

**Description**

Update docs to add network benchmarks for tcp and gpcnet.

Update docs to add ORT AMD benchmarks based on docker.

Add introduction and metrics for micro-benchmarks and model-benchmarks document.

__Major Revisions__

* Refine document structure for user tutorial.

__Minor Revisions__

* Add AMD part in installation.
* Change default config file to latest link.