GetLegendGraphics URL escaped ';' by '%3B'. The typical call according to https://docs.geoserver.org/latest/en/user/services/wms/get_legend_graphic/index.html contains semicolons as separators. Due to https://github.com/golang/go/issues/25192 we omit the direct usage of ';' in the geoserver call.

The gemma database schema requires PostgreSQL >= 11.

`dot.tmpl` is a template file for `postgresql_autodoc`
to be more similiar to UML and leave out some less useful labels.

See  `../docker/README.md`

Look at `updates/README.md` to how databases are updated.