Install geopackage_aspatial.html into doc

git-svn-id: https://svn.osgeo.org/gdal/trunk@27469 f0d54148-0727-0410-94bb-9a71ac55c965
fix typo related to 5532

git-svn-id: https://svn.osgeo.org/gdal/trunk@27470 f0d54148-0727-0410-94bb-9a71ac55c965