Wynntils URL Redirector

fix a crash that happened on 1.21.2 above. Now this mod only supports 1.21.2 above.

fix compatibility with Wynntils, now redirector require Wynntils 2.3.0 and above

fix compatibility with Wynntils

fix cap issue

add command for route change, root command is /wur

support 1.21

delete the translation service provided by Wuki

change the mirror of map to i0.wp.com

change the mirror of map to quantil.jsdelivr.net