Add start of tiled map compilation for levels.

Makefile

@@ -22,9 +22,16 @@ modules = \
   modules/srfi/srfi-9.scm \
   modules/srfi/srfi-11.scm
 
-game.wasm: game.scm $(modules)
+levels = \
+  modules/game/levels/level-1.scm
+
+game.wasm: game.scm $(modules) $(levels)
 	guild compile-wasm -L modules -o $@ $<
 
+$(levels): %.scm: %.tmx scripts/compile-map.scm
+	mkdir -p modules/game/levels
+	guile scripts/compile-map.scm $< > $@
+
 serve: game.wasm
 	guile -c '((@ (hoot web-server) serve))'