Add support for migrating waypoints from mods like Xaero's Waypoints

[timid field]

Add a way for players who used to play on Fabric or Forge to convert their Xaero's Waypoints to Lunar Clients waypoints mod (however it works)

[deft fulcrum]

that would be nice

or maybe like an easier way to add a lot of waypoints rather then having to do all of them individually