add logo

README.md

@@ -1 +1,12 @@
-[![Build Status](https://drone.jheuel.boosted.science/api/badges/jheuel/ohrwurm/status.svg)](https://drone.jheuel.boosted.science/jheuel/ohrwurm)
+<p align="center">
+  <img alt="Light" src="./docs/logo.png" width="20%">
+</p>
+<p align="center">
+  Ohrwurm
+</p>
+<p align="center">
+  <a href="https://drone.jheuel.boosted.science/jheuel/ohrwurm"><img src="https://drone.jheuel.boosted.science/api/badges/jheuel/ohrwurm/status.svg"></a>
+</p>
+
+# Deployment
+Create a `.env` environment file that contains the `DISCORD_TOKEN` and `DISCORD_APP_ID` of your bot, then build the container with `docker-compose build` before running it with `docker-compose up`.