Add Folia compatibility (support SkriptFolia)

[ajdarancik]

Hello, I’d like to request Folia compatibility for skript-yaml via SkriptFolia, so that YAML reading/writing works reliably on Folia servers.

[rudde0]

skript-yaml doesn't have much Bukkit schedulers so you can simply add folia-supported: true to your plugin.yml. Its working well according to my personal tests.

[Heisen-52]

+1