Add docs link to config.yml

Author: TPGamesNL

src/main/resources/config.yml

@@ -1,4 +1,5 @@
 # Enabling preloading allows you to use syntax before its definition. This feature is experimental, and enabling it
 # comes with a few downsides, such as not being able to use certain syntax in your custom element's syntax, this
 # includes functions, imports, custom options and possibly more.
+# See https://tpgamesnl.gitbook.io/skript-reflect/advanced/experiments#preloading
 enable-preloading: false