cart service: updateShippingAddress, updateBillingAdress, updateEmail; address validator in core utils

packages/medusa/src/models/schemas/address.js

@@ -6,8 +6,8 @@ import mongoose from "mongoose"
 export default new mongoose.Schema({
   first_name: { type: String, required: true },
   last_name: { type: String, required: true },
-  address1: { type: String, required: true },
-  address2: { type: String },
+  address_1: { type: String, required: true },
+  address_2: { type: String },
   city: { type: String, required: true },
   country_code: { type: String, required: true },
   province: { type: String },