Added a way to get the Floodgate prefix using the API

api/src/main/java/org/geysermc/floodgate/api/FloodgateApi.java

@@ -40,6 +40,12 @@ public interface FloodgateApi {
         return InstanceHolder.getApi();
     }
 
+    /**
+     * Returns the character(s) that will be added in front of a Bedrock player's name to prevent
+     * username duplicates.
+     */
+    String getPlayerPrefix();
+
     /**
      * Returns all the online Floodgate players.
      */