Add pentagonal prism

[MatthewFlamm]

Closes #50

[codecov[bot]]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.07 :tada:

Comparison is base (e385074) 99.11% compared to head (f34f0e9) 99.19%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #57 +/- ## ========================================== + Coverage 99.11% 99.19% +0.07% ========================================== Files 4 4 Lines 226 247 +21 ========================================== + Hits 224 245 +21 Misses 2 2 ``` | [Impacted Files](https://app.codecov.io/gh/MatthewFlamm/pyransame/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | Coverage Δ | | |---|---|---| | [src/pyransame/util.py](https://app.codecov.io/gh/MatthewFlamm/pyransame/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-c3JjL3B5cmFuc2FtZS91dGlsLnB5) | `100.00% <100.00%> (ø)` | | | [src/pyransame/volume.py](https://app.codecov.io/gh/MatthewFlamm/pyransame/pull/57?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-c3JjL3B5cmFuc2FtZS92b2x1bWUucHk=) | `97.56% <100.00%> (+0.12%)` | :arrow_up: |

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Do you have feedback about the report comment? Let us know in this issue.