Add num_reactions to dataset table

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 70.13%. Comparing base (4f50b68) to head (bf9cf57). Report is 11 commits behind head on main.

:exclamation: Current head bf9cf57 differs from pull request most recent head 3e06ac3

Please upload reports for the commit 3e06ac3 to get more accurate results.

Additional details and impacted files

[](https://app.codecov.io/gh/open-reaction-database/ord-schema/pull/724?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-reaction-database) ```diff @@ Coverage Diff @@ ## main #724 +/- ## ========================================== + Coverage 69.89% 70.13% +0.24% ========================================== Files 23 23 Lines 2368 2347 -21 Branches 598 598 ========================================== - Hits 1655 1646 -9 + Misses 599 590 -9 + Partials 114 111 -3 ``` | [Files](https://app.codecov.io/gh/open-reaction-database/ord-schema/pull/724?dropdown=coverage&src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-reaction-database) | Coverage Δ | | |---|---|---| | [ord\_schema/orm/database.py](https://app.codecov.io/gh/open-reaction-database/ord-schema/pull/724?src=pr&el=tree&filepath=ord_schema%2Form%2Fdatabase.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-reaction-database#diff-b3JkX3NjaGVtYS9vcm0vZGF0YWJhc2UucHk=) | `94.23% <100.00%> (+1.44%)` | :arrow_up: | | [ord\_schema/orm/mappers.py](https://app.codecov.io/gh/open-reaction-database/ord-schema/pull/724?src=pr&el=tree&filepath=ord_schema%2Form%2Fmappers.py&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-reaction-database#diff-b3JkX3NjaGVtYS9vcm0vbWFwcGVycy5weQ==) | `97.00% <100.00%> (+0.03%)` | :arrow_up: | ... and [21 files with indirect coverage changes](https://app.codecov.io/gh/open-reaction-database/ord-schema/pull/724/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=open-reaction-database)