new rendering paradigm & de-fuck rotation

fix textures being extremely blurry (thank you terra!)

fix planet rendering, add hearty rendering

resolve merge conflict

multiple players support

yay fancy planet code, but not tested :(

Merge branch 'master' of https://gitlab.com/starkingdoms.tk/starkingdoms.tk

cargo fix

other players added, we'll see if it works

fix spacetime builds in nested subdirectories pt2

fix spacetime builds in nested subdirectories

fix renderer

rendering work

fix build script for client

rename st to spacetime

remove justfile, add documentation on how to build

replace justfile with spacetime

[wip] spacetime build - build client with both texture loaders

[wip] spacetime build - add built spritesheets

[wip] spacetime build - add built sprites