Added an example map to README

README.md

@@ -4,6 +4,8 @@ A Python command-line application that **records OpenSky aircraft positions to
 SQLite**, then **independently generates a pen-plotter SVG** from a saved session.
 Collection never downloads maps or terrain; plotting never contacts OpenSky.
 
+![](./example.svg)
+
 ## Install
 
 Python 3.11 or newer:
@@ -270,6 +272,9 @@ Existing output is protected unless `--force` is supplied. Map bounds crossing
 the antimeridian, widths above 180 degrees, and latitudes outside [-85, 85] are
 rejected.
 
+### Example map 
+
+
 ## Offline synthetic demo
 
 This creates **invented** tracks, map features, and terrain data, for