Added a new platformer demo entirely made with visual script.

visual_script/platformer/engine.cfg

@@ -0,0 +1,42 @@
+[application]
+
+name="Platformer"
+main_scene="res://stage.tscn"
+icon="res://icon.png"
+name_es="Plataformero"
+target_fps="60"
+
+[display]
+
+width=800
+height=480
+stretch_mode="2d"
+stretch_aspect="keep_height"
+
+[image_loader]
+
+repeat=false
+
+[input]
+
+move_left=[key(Left), jbutton(0, 14)]
+move_right=[key(Right), jbutton(0, 15)]
+jump=[key(Up), jbutton(0, 0)]
+shoot=[key(Space), jbutton(0, 2)]
+spawn=[key(F1), jbutton(0, 11)]
+
+[physics_2d]
+
+default_gravity=700
+
+[rasterizer]
+
+use_pixel_snap=true
+
+[render]
+
+mipmap_policy=1
+
+[texture_import]
+
+filter=false