feat: add dynamic fire dispatch and rollback

src/main/java/net/therosegarden/firefighter/EmergencyLocationProvider.java

@@ -0,0 +1,12 @@
+package net.therosegarden.firefighter;
+
+import java.util.Random;
+import java.util.function.Predicate;
+import org.bukkit.Location;
+import org.bukkit.World;
+
+interface EmergencyLocationProvider {
+    EmergencySite randomClaimSite(Random random, Predicate<World> worldAllowed, int maxRadius, int minClaimArea);
+
+    String nearbyClaims(Location location, int radius, int maxResults);
+}