Add gunsan PCD output map files

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

elevation_map.yaml

@@ -0,0 +1,10 @@
+image: elevation_map.pgm
+resolution: 0.15
+origin: [-11.0714, -78.9207, 0.0]
+width: 792
+height: 991
+min_elevation: -1.98525
+max_elevation: 2.99994
+unknown_value: 0
+# decoding: pixel==unknown_value -> unknown; otherwise
+# z = min_elevation + (pixel - 1) / 254.0 * (max_elevation - min_elevation)

map.yaml

@@ -0,0 +1,7 @@
+image: map.pgm
+mode: trinary
+resolution: 0.15
+origin: [-11.0714, -78.9207, 0.0]
+negate: 0
+occupied_thresh: 0.65
+free_thresh: 0.25