fix: add missing method in UncheckedWorldLocation

- Allows single plot worlds to be generated

Core/src/main/java/com/plotsquared/core/location/UncheckedWorldLocation.java

@@ -60,6 +60,19 @@ public final class UncheckedWorldLocation extends Location {
         return new UncheckedWorldLocation(world, x, y, z);
     }
 
+    /**
+     * Construct a new location with yaw and pitch equal to 0
+     *
+     * @param world World
+     * @param loc   Coordinates
+     * @return New location
+     * @since 6.9.0
+     */
+    @DoNotUse
+    public static @NonNull UncheckedWorldLocation at(final @NonNull String world, BlockVector3 loc) {
+        return new UncheckedWorldLocation(world, loc.getX(), loc.getY(), loc.getZ());
+    }
+
     @Override
     @DoNotUse
     public @NonNull String getWorldName() {