Update README.md

Author: RohrerF

README.md

@@ -1,2 +1,21 @@
-# snapshooter-docs
-The snapshooter documentation
+# snapshooter Documentation
+
+[Documentation](https://swisslife-oss.github.io/snapshooter/) for [snapshooter](https://github.com/SwissLife-OSS/snapshooter) project.
+
+## Running this documentation on your local machine
+
+run the following command in the root of this repository
+
+```bash
+docker-compose up
+```
+
+if you don't have docker installed you can try the following
+
+```bash
+cd website
+yarn
+yarn start
+```
+
+You can now acces the documentation in your browser under [localhost:3000/snapshooter](http://localhost:3000/snapshooter)