[Mechanist] Digsort v4 Singleplayer Edition

By @Mighty Admin and @CommandLeo Features - 4x hopper speed input - 8 double chest buffer - 4 1x hopper speed shulker box unloaders - 2x hopper speed filters and shulker box loaders - Double-cycling water stream - 8x hopper speed mixed shulker box loader (by @KEN_2000) for overflow - Easy overflow recycling - Chunkloading on demand - Smart shulker box requesting system - Map display and nether portal included obviously