feat(binding): binding example beginnings

Author: abhiaiyer91

Diff for: README.md

@@ -1,3 +1,27 @@
 # GraphQL Binding Example
 
 GraphQL Binding for an example Prisma Service
+
+The schema that this binding represents is shown below:
+
+```graphql
+type Query {
+  user(id: ID!): User
+  users: [User!]!
+}
+
+type Mutation {
+  createUser(name: String!): User!
+  updateUser(id: ID!, name: String!): User
+  deleteUser(id: ID!): User
+}
+
+type Subscription {
+  userCreated: User!
+}
+
+type User {
+  id: ID!
+  name: String!
+}
+```