docs: Add v4.9.2 MPDB converter warning

bukkit/src/main/java/net/william278/husksync/migrator/MpdbMigrator.java

@@ -221,6 +221,9 @@ public class MpdbMigrator extends Migrator {
     public String getHelpMenu() {
         return """
                 === MySQLPlayerDataBridge Migration Wizard ==========
+                NOTE: This migrator currently WORKS WITH MPDB version
+                v4.9.2 and below!
+                
                 This will migrate inventories, ender chests and XP
                 from the MySQLPlayerDataBridge plugin to HuskSync.
 
@@ -254,6 +257,9 @@ public class MpdbMigrator extends Migrator {
 
                 STEP 4] To start the migration, please run:
                 "husksync migrate mpdb start"
+                
+                NOTE: This migrator currently WORKS WITH MPDB version
+                v4.9.2 and below!
                 """.replaceAll(Pattern.quote("%source_host%"), obfuscateDataString(sourceHost))
                 .replaceAll(Pattern.quote("%source_port%"), Integer.toString(sourcePort))
                 .replaceAll(Pattern.quote("%source_username%"), obfuscateDataString(sourceUsername))

docs/MPDB-Migration.md

@@ -1,5 +1,7 @@
 This guide will walk you through how to migrate from MySQLPlayerDataBridge (MPDB) to HuskSync v2.x.
 
+> **Warning:** Please note that due to MPDB changes, HuskSync only supports migrating from MySQLPlayerDataBridge `<= v4.9.2`. Support for newer versions will be added in the future.
+
 ## Requirements
 - Spigot servers with MySQLPlayerDataBridge *still installed*