* Add conv2d requant example
* Fix bash error
* Rename example
* 1. Rename gemm quantization
2. shares the requantization lambda function with conv
* Refine declare type
* Add conv bias relu quantization exmaple
* clang format
* Fix compile error due to merge develop
* Fix CI error
* Extract quantization post operation into another file
* Support quantization for non piecewise linear function
* Add instance for conv quantization
* Add convolution quantization factory
* Add convolution quantization client example
* Add more instances with different template parameters
* clang format
* Sync the naming with the develop
