readme update

README.md

@@ -43,4 +43,24 @@ Harry Potter does not use a Local database.
 
 ## 🌟 Find this project useful?
 
-Support it by joining [stargazers](https://github.com/hongbeomi/HarryPotter/stargazers) for this repository
+Support it by joining [stargazers](https://github.com/hongbeomi/HarryPotter/stargazers) for this repository
+
+<br>
+
+## 📝 License
+
+```
+Copyright 2020 Hongbeom Ahn
+
+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. 
+```