set up the codebase skeleton (WIP)

.gitignore

compile.sh

mmdet/__init__.py

mmdet/core/__init__.py

mmdet/core/anchor_generator.py

mmdet/core/bbox_ops/__init__.py

mmdet/core/bbox_ops/geometry.py

mmdet/core/bbox_ops/sampling.py

mmdet/core/bbox_ops/transforms.py

mmdet/core/eval/__init__.py

mmdet/core/eval/bbox_overlaps.py

mmdet/core/eval/class_names.py

mmdet/core/eval/mean_ap.py

mmdet/core/eval/recall.py

mmdet/core/hooks.py

mmdet/core/mask_ops/__init__.py

mmdet/core/mask_ops/segms.py

mmdet/core/mask_ops/utils.py

mmdet/core/post_processing/__init__.py

mmdet/core/post_processing/bbox_nms.py