Update README.md

Author: MessiasLima

README.md

@@ -1,4 +1,6 @@
-# karavel
+# ⛵️Karavel
+[![Maintainability](https://api.codeclimate.com/v1/badges/ea792fdab9ab8344cb1c/maintainability)](https://codeclimate.com/github/app-outlet/karavel/maintainability)
+
 Lightweight navigation library for Compose for Desktop 
 
 ## Install 
@@ -72,3 +74,27 @@ fun main() = Window {
         }
     }
 ```
+
+## License
+
+MIT License
+
+Copyright (c) 2021 App Outlet
+
+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.