Version 2.1.0

This is the release of version 2.1.0. It has been in development for over five months, and has now been released.

This version adds new features such as a achievement system, decorative tiles, totems, and a resource pack system. Furthermore, this version adds a lot of minor features, and an even larger amount of bugfixes and QoL additions. Changes to the skin system have been made, to make it more stable, and changing the style of the menus for resource packs, skins, and achievements.

This release also introduces some new recurring contributors: @lino-levan and @BenCheung0422; and we see the return of @Litorom and @TheBigEye. In addition to this, we see some fixes by @alice39, @PseudoDistant, @Sissiogamer1, and @rockedsocks.