add: readme & media file

README.md

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+<h1 align="center">KBBI</h1>
+
+<p align="center">  
+KBBI, aplikasi unofficial kamus besar bahasa indonesia.
+</p>
+
+<p align="center">
+  <a href="https://opensource.org/licenses/Apache-2.0"><img alt="License" src="https://img.shields.io/badge/License-Apache%202.0-blue.svg"/></a>
+  <a href="https://android-arsenal.com/api?level=21"><img alt="API" src="https://img.shields.io/badge/API-21%2B-brightgreen.svg?style=flat"/></a>
+</p>
+
+<p align="center">
+<img src="media/Final.png"/>
+</p>
+
+## Download
+Go to the [Releases](https://github.com/arrazyfathan/Lerun/releases) to download the latest APK.
+
+<img src="/media/preview.gif" align="right" width="32%"/>
+
+## Tech stack & Open-source libraries
+- Minimum SDK level 21
+- [Kotlin](https://kotlinlang.org/) based, [Coroutines](https://github.com/Kotlin/kotlinx.coroutines)
+- Jetpack
+    - Lifecycle - dispose of observing data when lifecycle state changes.
+    - ViewModel - UI related data holder, lifecycle aware.
+    - Room Persistence - construct the database using the abstract layer.
+- Architecture
+    - MVVM Architecture
+    - Repository pattern
+- [Material-Components](https://github.com/material-components/material-components-android) - Material design components for building ripple animation, and CardView.
+
+## API by [@btrianurdin](https://github.com/btrianurdin)
+```
+https://new-kbbi-api.herokuapp.com
+``` 
+
+## MAD Score
+![summary](media/summary.png "Summary")
+![kotlin](media/kotlin.png "Kotlin")
+![jetpack](media/jetpack.png "Jetpack")
+
+# License
+```xml
+Designed and developed by 2022 arrazyfathan (Ar Razy Fathan Rabbani)
+
+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.
+```