docs: add doc files

Author: tommytroen

CONTRIBUTING.MD renamed to CONTRIBUTING

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020 NAV
+Copyright (c) 2018 NAV IKT
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

LICENSE

@@ -1,2 +1,43 @@
 # mock-oauth2-server
 Mock OAuth2 Webserver
+
+[![Build](https://github.com/navikt/mock-oauth2-server/workflows/Build%20master/badge.svg)](https://github.com/navikt/mock-oauth2-server/actions)
+
+A simple library mocking the complex stuff about OAuth2 / OIDC Identity Providers allowing you to focus on application code.
+Built upon the great OkHttp and MockWebServer library (// TODO link)
+
+
+## 📦 Install
+
+The current version of the library is published to the GitHub Package Registry for this repo.
+
+https://github.com/navikt/mock-oauth2-server/packages
+
+## ⌨️ Usage
+
+#### TODO
+
+```kotlin
+
+```
+
+## 👥 Contact
+
+This project is currently maintained by the organisation [@navikt](https://github.com/navikt).
+
+If you need to raise an issue or question about this library, please create an issue here and tag it with the appropiate label.
+
+If you need to contact anyone directly, please see contributors.
+
+## ✏️ Contributing
+
+To get started, please fork the repo and checkout a new branch. You can then build the library locally with the Gradle wrapper
+
+```shell script
+./gradlew build
+```
+
+See more info in [CONTRIBUTING.md](CONTRIBUTING.md)
+
+## ⚖️ License
+This library is licensed under the [MIT License](LICENSE)