Add MIT license

Author: huaminghuangtw

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2022 Hua-Ming Huang
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -95,4 +95,10 @@ Thanks!:heart: and Cheers!:beers:
 ---
 
 ### Contact
-If you have any question or suggestion, feel free to contact me at huaming.huang.tw@gmail.com. Contributions are also welcomed. Please open a [pull-request](https://github.com/hmhuang0501/Strava-Tool/compare) or an [issue](https://github.com/hmhuang0501/Strava-Tool/issues/new) in this repository.
+If you have any question or suggestion, feel free to contact me at huaming.huang.tw@gmail.com. Contributions are also welcomed. Please open a [pull-request](https://github.com/hmhuang0501/Strava-Tool/compare) or an [issue](https://github.com/hmhuang0501/Strava-Tool/issues/new) in this repository.
+
+---
+
+### License
+
+This project is licensed under the terms of [![MIT](https://img.shields.io/github/license/huaminghuangtw/Strava-Tool.svg?style=flat-square&label=License&colorB=black)](./LICENSE).