add newline at the end of files

src/main/java/net/ardakaz/griefalert/GriefAlert.java

@@ -820,4 +820,4 @@ public class GriefAlert extends JavaPlugin implements Listener {
 
         return ((CoreProtect) plugin).getAPI();
     }
-}
+}

src/main/java/net/ardakaz/griefalert/GriefAlertEvent.java

@@ -25,4 +25,4 @@ public class GriefAlertEvent extends Event {
     public String getAlert() {
         return this.alert;
     }
-}
+}