Rename SetMarkerDef → SetMarkerSync, ClearMarkerDef → ClearMarkerSync
to clarify their purpose. Remove GetMarkerDef from the table since
GetWorldMarker is now a public global.
- WorldMarker() now returns x,y,z,areaId on success (was just 1)
- New global GetWorldMarker(index) for querying marker positions
- Rename CanSetWorldMarkers → CanSetWorldMarker (singular)
- Addon uses WorldMarker return values directly instead of GetMarkerDef
build.zig scans module addon/ and assets/ directories, passes file
lists as build options. main.zig uses comptime helpers to @embedFile
each path and build the AddonPrefix table automatically. Adding or
removing files no longer requires editing main.zig.
Also renames markers addon files to match WoW addon name
(Markers.toc → WorldMarkers.toc, Markers.lua → WorldMarkers.lua)
and auto-generates loadAddonsDetour from the same module metadata.