* add batch_predict and initialized api for c
* add batch_predict and result str in C api
* modify visualization function
* add micro to add models batchify
* refactor and add models for ppdet others
* add base define
* fix
* refine predict api
* add c api to test ppclas model
* fix
* add ppdet
* refactor c api code
* remove local test make
* fix a bug
* fix according to review
* format file
* format file
* format file
* add types_internal.cc
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Co-authored-by: heliqi <1101791222@qq.com>