Fix MANIFEST.in

[cherryjm]

To include all files in configs and tools.

[codecov]

Codecov Report

Merging #641 (3892a72) into master (3694f03) will decrease coverage by 0.15%.
The diff coverage is n/a.

❗ Current head 3892a72 differs from pull request most recent head 6c092f7. Consider uploading reports for the commit 6c092f7 to get more accurate results

@@            Coverage Diff             @@
##           master     #641      +/-   ##
==========================================
- Coverage   82.52%   82.36%   -0.16%     
==========================================
  Files         167      167              
  Lines       11986    11866     -120     
  Branches     1927     1927              
==========================================
- Hits         9891     9773     -118     
+ Misses       1618     1616       -2     
  Partials      477      477              

Flag	Coverage Δ
unittests	82.36% <ø> (-0.16%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
mmpose/datasets/dataset_wrappers.py	50.00% <0.00%> (-4.55%)	⬇️
mmpose/models/detectors/base.py	53.65% <0.00%> (-4.12%)	⬇️
mmpose/datasets/datasets/mesh/mesh_h36m_dataset.py	22.41% <0.00%> (-2.59%)	⬇️
mmpose/core/fp16/hooks.py	25.00% <0.00%> (-2.28%)	⬇️
mmpose/core/camera/camera_base.py	78.57% <0.00%> (-1.43%)	⬇️
mmpose/datasets/datasets/face/face_base_dataset.py	76.47% <0.00%> (-1.31%)	⬇️
mmpose/core/utils/regularizations.py	80.00% <0.00%> (-1.25%)	⬇️
mmpose/datasets/pipelines/loading.py	85.71% <0.00%> (-0.96%)	⬇️
mmpose/datasets/pipelines/top_down_transform.py	61.51% <0.00%> (-0.92%)	⬇️
mmpose/datasets/pipelines/shared_transform.py	80.62% <0.00%> (-0.88%)	⬇️
... and 37 more

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