Implemented a DatabaseHandler class

Author: RealMangorage

src/main/java/module-info.java

@@ -18,6 +18,8 @@
 
     requires com.google.gson;
     requires org.hibernate.orm.core;
+    requires jakarta.persistence;
+    requires java.naming;
 
     // Config API
     exports org.mangorage.mangobotcore.api.config.v1;

src/main/java/org/mangorage/mangobotcore/api/util/data/DatabaseHandler.java

@@ -32,13 +32,13 @@ public static <ID, T extends IUniqueIdHolder<ID>> DatabaseHandler<ID, T> create(
                 .buildSessionFactory();
     }
 
-    public void migrateToDatabase(List<T> fileEntities) {
-        if (fileEntities.isEmpty()) return;
+    public void migrateToDatabase(List<T> entities) {
+        if (entities.isEmpty()) return;
 
         try (Session session = sessionFactory.openSession()) {
             Transaction tx = session.beginTransaction();
 
-            for (T entity : fileEntities) {
+            for (T entity : entities) {
                 session.merge(entity);
             }