Add WorldManager and map-system support

Introduce WorldManager to select and unpack a random map ZIP into the server root before startup. The plugin now calls WorldManager.prepareRandomWorld() in onLoad (before onEnable) and reloads config there. Added map-system config options (enabled, zip-folder, target-world-name, maps) with example entries. WorldManager deletes existing world folders, extracts the chosen ZIP (with zip-slip protection) and logs progress.

src/main/resources/config.yml

@@ -25,6 +25,18 @@ recraftNerf:
   beforeFeast: true
   maxAmount: 64
 
+map-system:
+  enabled: false
+  # Der Ordner im Plugin-Verzeichnis, in welchem die ZIPs liegen
+  zip-folder: "maps"
+  # Name der Zielwelt
+  target-world-name: "world"
+  # Liste der verfügbaren Maps
+  maps:
+    - "hg_map_1.zip"
+    - "hg_map_2.zip"
+    - "hg_map_3.zip"
+
 discord:
   enabled: false
   webhook-url: "DEINE_WEBHOOK_URL_HIER"