API doc headings

[codecov-commenter]

Codecov Report

Merging #26 (cbfed3c) into main (aac8a59) will decrease coverage by 0.45%. The diff coverage is 88.57%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #26 +/- ## ========================================== - Coverage 89.24% 88.80% -0.45% ========================================== Files 6 6 Lines 93 125 +32 ========================================== + Hits 83 111 +28 - Misses 10 14 +4 ``` | [Impacted Files](https://codecov.io/gh/scverse/genomic-features/pull/26?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=scverse) | Coverage Δ | | |---|---|---| | [src/genomic\_features/ensembl/ensembldb.py](https://codecov.io/gh/scverse/genomic-features/pull/26?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=scverse#diff-c3JjL2dlbm9taWNfZmVhdHVyZXMvZW5zZW1ibC9lbnNlbWJsZGIucHk=) | `90.19% <88.23%> (-4.55%)` | :arrow_down: | | [src/genomic\_features/ensembl/\_\_init\_\_.py](https://codecov.io/gh/scverse/genomic-features/pull/26?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=scverse#diff-c3JjL2dlbm9taWNfZmVhdHVyZXMvZW5zZW1ibC9fX2luaXRfXy5weQ==) | `100.00% <100.00%> (ø)` | |

[ivirshup]

Included in #29