triton: new recipes

[roger652]

Adds recipes for NVIDIA Triton (https://github.com/triton-inference-server):

• Triton inference server (triton-server)
• Triton client libraries (triton-client)

It also adds the required dependencies:

• Triton common (triton-common)
• Triton core (triton-core)
• Triton backend (triton-backend)
• Triton TensorRT backend (triton-tensorrt-backend)

Known limitations:

• Triton server:

  • Only support for TensorRT backend
  • Only support for HTTP connections

• Triton client:

  • Only support for C/C++
  • Only support for HTTP connections