Add BackGround

add stary night

Makefile

@@ -11,8 +11,9 @@ setup:
 	if [ ! -d "raylib" ]; then \
     git clone --depth 1 --branch "5.0" git@github.com:raysan5/raylib.git; \
   fi
-
-$(shell mkdir -p obj)
+	if [ ! -d "obj" ]; then \
+    mkdir -p obj; \
+  fi
 
 obj/rcore.o: raylib/src/rcore.c
 	gcc -c $< -o $@ $(RAYOPT) $(RAYFLAGS) $(RAYINCLUDE)
@@ -62,5 +63,10 @@ run: main
 
 clean:
 	rm -rf obj
+	rm -f main example
+
+cleanAll: clean
 	rm -rf raylib
-	rm main example
+
+countLine:
+	cloc --exclude-dir=raylib --exclude-lang=JSON,make,Markdown .