What are all these files?! What are the steps: When you want to add a new function: 1. Open your `schema.graphql` and add it to the mutatiions 2. Add a mutation resolver to match that new mutation: ``` addToCart(parent, args, ctx, info) { console.log('ADding an item to cart!'); }, ``` 3. Create a client-side Mutation that will accept the arguments and call it ### Installing Docker