Summary

• Adds a fourth map style "Topografie" using MKStandardMapConfiguration(elevationStyle: .realistic) for 3D terrain relief
• Enables pitch on the map view so users can tilt for better terrain viewing
• Adds the option to both the segmented picker on the map tab and the Settings radio group

Test plan

• Launch app, navigate to Map tab, verify all 4 styles (Standard, Satellite, Hybrid, Topografie) appear
• Select Topografie — map should show terrain with elevation shading
• Tilt map (Option+drag) to see 3D relief
• Switch between styles — verify persistence after restart
• Check Settings → Map shows all 4 radio options

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