get stripe customer mutation, add stripe_customer_id to user gql type

src/schema.gql

@@ -356,6 +356,7 @@ type UserGQL {
   isAdmin: Boolean
   fargoRating: Int
   activeVideoId: Int
+  stripeCustomerId: String
   profileImageUri: String
   createdAt: DateTime
   updatedAt: DateTime
@@ -878,6 +879,7 @@ type Mutation {
   followUser(followedUserId: Int!): UserGQL!
   unfollowUser(followedUserId: Int!): UserGQL!
   retireTags(tagIds: [Int!]!): Boolean!
+  getStripeCustomer(email: String!): UserGQL!
   findPrerecordTableLayout(b64Image: String!, videoId: Int!): HomographyInfoGQL
   createUploadStream(
     videoMetadata: VideoMetadataInput!