Add "Bauwerke an Gewässern" as manual dataset
Created by: adamreichold
The existing pull request #87 should be extended with an actual example for manually imported dataset, namely the "Bauwerke an Gewässern" map published by BfG.
Created by: adamreichold
The existing pull request #87 should be extended with an actual example for manually imported dataset, namely the "Bauwerke an Gewässern" map published by BfG.