Update README.md

README.md

 # Schönherz BodyKör webpage backend
 
-## Start development server
+## How to setup your dev server
 
 1. Clone the repository
 
 2. Install dependencies
 
-   npm install
+
+>   ` npm install` 
 
 3. Run dev server
 
-   npm run start-dev
+  
+> ` npm run start-dev`
+
+## Build 
+
+Run typescript compiler
+
+> `npm run build`
+
+Start server
+
+> `npm start`