TK25 Messtischblatt layout

[hholzgra]

Create map layout that looks similar to German TK25 1:25000 "Messtischblatt" topographic map layout

• [x] "render" empty map without error
• [ ] map decoration elements
• • [x] basic outer and inner map frame
• • [ ] map bound coordinates
• • [ ] map key / legend
• • [ ] admin boundary minimap
• • [ ] scale bar
• • [ ] "Planzeiger"
• • [ ] grid lines
• • [ ] ...
• [ ] actual map content