Improved build script

- Executing CLI utilities instead of deasync-ing
- Config file `webpage.json` (also replaces order.json)
- Removed Bash build scripts

js/order.json

@@ -1,8 +0,0 @@
-[
-    "anim.js",
-    "script.js",
-    "init.js",
-    "menu.js",
-    "control.js",
-    "handlers.js"
-]