Web build script and updates to web source.

Added Karl Zylinski web build script.
Updated template for better width.
Removed resizing function.

src/main_web/main_web.odin

@@ -63,6 +63,4 @@ main_end :: proc "c" () {
 @export
 web_window_size_changed :: proc "c" (w: c.int, h: c.int) {
 	context = web_context
-	// TODO
-	game.parent_window_size_changed(int(w), int(h))
 }