* add_syncbn

* fix when kernel size is even

* fix name

* fix weight_op

* update the doc of dygraph qat, test=develop, test=document_fix

* up, test=develop, test=document_fix

Fix the error of save_quantized_model when weight_preprocess is PACT

* fix shortcut

* fix when kernel_size in ss

* fix export

* fix dp

* fix export model prune param twice

* add comment

* fix unittest

* fix

* update

* fix docs

* update

Co-authored-by: Nceci3 <ceci3@users.noreply.github.com>

* update

* update

* Update mkldnn_quant readme
Co-authored-by: Ncc <52520497+juncaipeng@users.noreply.github.com>

* add quant tutorial

2. Add missing api index.rst
3. Fix comment in filter_pruner
4. Update links in API docs

* add trt/x86cpu deploy doc

* add dygraph quant quick start

* add post quant quick start

* quant quick start doc refine

* fix doc

* fix doc

* move quick start to right path

* fix index

* add dygraph prune quick_start

* add mobile deploy doc

* complete deploy doc

* add images

* fix a error;

* fix some error
Co-authored-by: Ngmm <38800877+mmglove@users.noreply.github.com>

Co-authored-by: NBai Yifan <me@ethanbai.com>