Stgrid2area

Small update for output file names.

**Full Changelog**: https://github.com/AlexDo1/stgrid2area/compare/v0.0.13...v0.0.14

What's Changed
* Stgrid can be a list by AlexDo1 in https://github.com/AlexDo1/stgrid2area/pull/2

New Contributors
* AlexDo1 made their first contribution in https://github.com/AlexDo1/stgrid2area/pull/2

**Full Changelog**: https://github.com/AlexDo1/stgrid2area/compare/v0.0.12...v0.0.13

**Full Changelog**: https://github.com/AlexDo1/stgrid2area/compare/v0.0.11...v0.0.12

**Full Changelog**: https://github.com/AlexDo1/stgrid2area/compare/v0.0.10...v0.0.11

**Full Changelog**: https://github.com/AlexDo1/stgrid2area/compare/v0.0.9...v0.0.10

**Full Changelog**: https://github.com/AlexDo1/stgrid2area/compare/v0.0.8...v0.0.9