VTPK from multiple sources

[ThomasHalwax]

OpenVTPK has been tested on VTPK files provided by Austria's open data portal. In order to become more robust I encourage everyone to provide VTPK files from other sources.

Thank you in advance!

[ThomasHalwax]

Mans Beckmann shared some VTPK files: https://github.com/spatialillusions/TPK2GPKG/tree/main/sample