message: [lite] Add link to the hexagon guide on tensorflow lite website to the readme
diff: @@ -4,6 +4,8 @@ Delegate which uses Hexagon SDK to delegate the processing to QC DSP.
  Note that we only support quantized models, since the DSP is efficient
  with quantized versions. So all op support is for quantized versions.
  +For more detailed usage and examples check the [user guide.](https://www.tensorflow.org/lite/performance/hexagon_delegate)
  +
  Usage:
  - Add dependency on hexagon_delegate rule.
  