added sending method for CustomForm with setting handler

Author: ScarletRedMan

src/main/java/ru/contentforge/formconstructor/form/CustomForm.java

@@ -1,5 +1,6 @@
 package ru.contentforge.formconstructor.form;
 
+import cn.nukkit.Player;
 import com.google.gson.Gson;
 import com.google.gson.annotations.SerializedName;
 import lombok.Getter;
@@ -86,4 +87,9 @@ public void setResponse(String data) {
         response = new CustomFormResponse(handler, elements, containsId, this);
     }
 
+    public void send(Player player, CustomFormHandler handler){
+        setHandler(handler);
+        send(player);
+    }
+
 }