Added some instructions how to start the server

README.md

@@ -3,3 +3,29 @@
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 # BerryPod Server Backend / REST API
+
+## Dependencies
+
+* [Node.js](https://nodejs.org)
+* [MongoDB](https://www.mongodb.com/) - Data storage
+
+## Simple usage
+
+Make sure you have MongoDB instance up and running first. Modify the *config.js* file to point to your database instance and change your host port if needed.
+
+Install dependencies:
+
+```
+npm install
+```
+Start the server e.g. with:
+
+```
+npm start
+```
+..or..
+
+```
+npm run watch
+```
+..to start server with _nodemon_ for easier development.