feat: update gql schema doc

fixit@current.graphql

@@ -119,7 +119,7 @@ interface FixitUser {
   email: Email!
 
   """Phone number of either a User or Contact"""
-  phone: String!
+  phone: String
 
   """Profile object of either a User or Contact"""
   profile: Profile!
@@ -161,7 +161,7 @@ type Contact implements FixitUser {
   email: Email!
 
   """Contact phone number"""
-  phone: String!
+  phone: String
 
   """Contact Profile object"""
   profile: Profile!
@@ -298,8 +298,8 @@ type User implements FixitUser {
   """(Immutable) User's own email address"""
   email: Email!
 
-  """(Immutable) User's own phone number"""
-  phone: String!
+  """User's own phone number"""
+  phone: String
 
   """
   (Mobile-Only) User's Expo push token, used to send push notifications to the User's mobile device
@@ -482,11 +482,11 @@ type AuthTokenPayload {
   id: ID!
   handle: String!
   email: String!
-  phone: String!
+  phone: String
   profile: Profile!
   stripeCustomerID: String!
   subscription: AuthTokenPayloadSubscriptionInfo
-  stripeConnectAccount: AuthTokenPayloadStripeConnectAccountInfo!
+  stripeConnectAccount: AuthTokenPayloadStripeConnectAccountInfo
   createdAt: DateTime!
   updatedAt: DateTime!
 }