VoxyServer

Here are the changelogs:

• huge performance boost: replaced sectionref/chunkref record keys with dimension ordinal encoded longs, cached biome id remapping per mapper, and moved lod packet pre serialization to the stream thread.
• optimized lod payloads by palette bit packing index arrays.
• increased default maxsectionspertickperplayer from 10 to 100.
• added per server client side config overrides via modmenu & cloth config api. preferences save to config/voxyserver-client.json (keyed by host:port). it defaults to a global profile if no override exists, and you can only edit a server's settings while connected to it. (you can't go above the set server settings, only below.)
• added a config option to change voxy worker threads.
• fixed a crash involving c2me and voxyserver (kept failsafe in the code even though it was fixed upstream, thanks cortex).