add short metric descriptions to README

[danielStrobl]

Metric descriptions for website, batch_integration_graph subtask

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• The task addresses a valid open problem in single-cell analysis
• The latest version of master is merged and tested
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  version, and date
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  metrics (for new tasks)

[codecov]

Codecov Report

Base: 94.96% // Head: 94.96% // No change to project coverage 👍

Coverage data is based on head (05489a5) compared to base (2a1c8fb).
Patch has no changes to coverable lines.

❗ Current head 05489a5 differs from pull request most recent head d1ff228. Consider uploading reports for the commit d1ff228 to get more accurate results

Additional details and impacted files

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  Coverage   94.96%   94.96%           
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  Files         153      153           
  Lines        3891     3891           
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  Misses        128      128           
  Partials       68       68           

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[LuckyMD]

Hmm... I'm just testing out gh and i pushed some changes to the https://github.com/openproblems-bio/openproblems/tree/bi-graph-metrics-readme branch. Not sure how to push them to this PR...

[scottgigante-immunai]

Since you're an admin of openproblems this PR should give you authority to push to @danielStrobl's branch if you add it as a new git remote. Not sure how gh works though.. maybe you can just open a separate PR (with this PR potentially as the target)

[LuckyMD]

The only thing I noticed I could do is make a PR to @danielStrobl's fork with the changes in the upstream.

That's now here: danielStrobl#32

[LuckyMD]

Okay, this is now mergeable from my side when tests pass