Update BottomNavigationBar.java

extendedbottomnavigationview/src/main/java/com/dargoz/extendedbottomnavigationview/BottomNavigationBar.java

@@ -1,5 +1,18 @@
+/*  Copyright 2020 Davin Reinaldo Gozali
+*
+*   Licensed under the Apache License, Version 2.0 (the "License");
+*   you may not use this file except in compliance with the License.
+*   You may obtain a copy of the License at
+*
+*       http://www.apache.org/licenses/LICENSE-2.0
+*
+*   Unless required by applicable law or agreed to in writing, software
+*   distributed under the License is distributed on an "AS IS" BASIS,
+*   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+*   See the License for the specific language governing permissions and
+*   limitations under the License.
+**/
 package com.dargoz.extendedbottomnavigationview;
-
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.content.res.ColorStateList;