* Gemm and MatMul block quantization support
* refactoring
* fix indentation
* node name independent
* Block quantization tool:
- constant weight category supported
- add data type saturation
- handled the case in which all the elements within a block are the same
benchmark script modified to support block quantized models
block quantized some models
* add missing block quantized models
* formatting
* add blocked models to eval script. Evaluation yunet
* Add sface and pphumanseg evaluation, block quantization tool fix, handpose blocked model fix, removed blocked CRNN EN,
* changed evaluation metric in block_quantize script and add verbose mode
* Add evaluation for PP-ResNet and Mobilenet
* changed file suffix and update readmes
* renamed int8bq
* bump version to 4.8.0
* update benchmark results on i7 & rpi
* correct python command on i7
* update results on jetson nano
* update results on atlas 200 cpu
* update results on vim3 cpu, sunrise x3 cpu
* update results on vim3 npu
* update results on edge2
* update results on rv1126 and vision2
* update results on axp
* update table
Add back example output images as lfs tracked files (#166)
