docs: update README.md to reflect JSON file usage and add warnings fo…

…r SVG map parser

map_editor/README.md

@@ -1,11 +1,16 @@
 # pygame based map editor from Marco
 
-This is a simple map editor from Marco who used pygame to create suitable .yaml files.
+This is a simple map editor from Marco who used pygame to create suitable .json files.
 
 Extensive documentation can be found in [docs/MAP_EDITOR_USAGE.md](../docs/MAP_EDITOR_USAGE.md)
 
 ## SVG Map Parser
 
+> [!WARNING]
+> It is recommended to use the svg map parser from `robot_sf/nav/svg_map_parser.py` instead of this one.
+
 I prefer to use `robot_sf/nav/svg_map_parser.py`.
 
 Look at `examples/svg_map_example.py` for an example of how to use it.
+
+Further documentation can be found in [docs/SVG_MAP_PARSER.md](../docs/SVG_MAP_PARSER.md).