add relay environment

app/javascript/__generated__/schema.graphql

@@ -0,0 +1,47 @@
+"""
+Autogenerated input type of CreateUser
+"""
+input CreateUserInput {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+  user: UserAttributesInput!
+}
+
+"""
+Autogenerated return type of CreateUser
+"""
+type CreateUserPayload {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Errors encountered during execution of the mutation.
+  """
+  errors: [String!]
+  success: Boolean!
+}
+
+type Mutation {
+  createUser(
+    """
+    Parameters for CreateUser
+    """
+    input: CreateUserInput!
+  ): CreateUserPayload
+}
+
+type Query {
+  """
+  An example field added by the generator
+  """
+  testField: [String!]!
+}
+
+input UserAttributesInput {
+  firstName: String!
+  lastName: String!
+}