add core members

[Borda]

What does this PR do?

Fixes # (issue)

Before submitting

• Was this discussed/approved via a Github issue? (no need for typos and docs improvements)
• Did you read the contributor guideline, Pull Request section?
• Did you make sure your PR does only one thing, instead of bundling different changes together? Otherwise, we ask you to create a separate PR for every change.
• Did you make sure to update the documentation with your changes?
• Did you write any new necessary tests?
• Did you verify new and existing tests pass locally with your changes?
• If you made a notable change (that affects users), did you update the CHANGELOG?

PR review

• Is this pull request ready for review? (if not, please submit in draft mode)

Anyone in the community is free to review the PR once the tests have passed.
If we didn't discuss your PR in Github issues there's a high chance it will not be merged.

Did you have fun?

Make sure you had fun coding 🙃

[codecov]

Codecov Report

Merging #349 (7e8a1b9) into master (6895350) will increase coverage by 0.02%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #349      +/-   ##
==========================================
+ Coverage   82.34%   82.37%   +0.02%     
==========================================
  Files         100      100              
  Lines        5620     5612       -8     
==========================================
- Hits         4628     4623       -5     
+ Misses        992      989       -3     

Flag	Coverage Δ
cpu	24.67% <67.50%> (-0.09%)	⬇️
pytest	24.67% <67.50%> (-0.09%)	⬇️
unittests	81.62% <100.00%> (+0.02%)	⬆️

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

Impacted Files	Coverage Δ
pl_bolts/datasets/__init__.py	100.00% <ø> (ø)
pl_bolts/models/self_supervised/amdim/__init__.py	80.00% <ø> (ø)
pl_bolts/models/self_supervised/amdim/datasets.py	61.11% <ø> (ø)
..._bolts/models/self_supervised/cpc/cpc_finetuner.py	100.00% <ø> (ø)
pl_bolts/models/self_supervised/cpc/cpc_module.py	20.31% <ø> (ø)
pl_bolts/models/self_supervised/moco/__init__.py	100.00% <ø> (ø)
pl_bolts/models/self_supervised/moco/transforms.py	100.00% <ø> (ø)
.../models/self_supervised/simclr/simclr_finetuner.py	100.00% <ø> (ø)
pl_bolts/models/self_supervised/swav/__init__.py	100.00% <ø> (ø)
pl_bolts/__init__.py	100.00% <100.00%> (ø)
... and 31 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 6895350...7e8a1b9. Read the comment docs.