Update README.md

Author: TasinIshmam

README.md

@@ -6,5 +6,6 @@ Tutorial for HowToGraphQL with Typescript, Apollo-Server, Nexus and Prisma.
 
 1. Run `npm install`
 2. Run `npm dev` 
+3. Run `npx prisma generate`
 
 _Note:_ There's no need to run migrations on the database because the SQLite Database is added to version control for convenience.