Added getPlayers and getPlayerCount to the API

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

@@ -25,6 +25,7 @@
 
 package org.geysermc.floodgate.api;
 
+import java.util.Collection;
 import java.util.UUID;
 import org.geysermc.cumulus.Form;
 import org.geysermc.cumulus.util.FormBuilder;
@@ -39,6 +40,16 @@ public interface FloodgateApi {
         return InstanceHolder.getApi();
     }
 
+    /**
+     * Returns all the online Floodgate players.
+     */
+    Collection<FloodgatePlayer> getPlayers();
+
+    /**
+     * Returns the number of Floodgate players who are currently online.
+     */
+    int getPlayerCount();
+
     /**
      * Method to determine if the given <b>online</b> player is a bedrock player
      *