add SocialMedia model

backend/src/models/SocialMedia.js

@@ -0,0 +1,15 @@
+import uuid from 'uuid/v4'
+
+module.exports = {
+  id: { type: 'string', primary: true, default: uuid },
+  url: { type: 'string', uri: true, required: true },
+  createdAt: { type: 'string', isoDate: true, default: () => new Date().toISOString() },
+  ownedBy: {
+    type: 'relationship',
+    relationship: 'OWNED_BY',
+    target: 'User',
+    direction: 'in',
+    eager: true,
+    cascade: 'detach',
+  },
+}

backend/src/models/index.js

@@ -5,4 +5,5 @@ export default {
   User: require('./User.js'),
   InvitationCode: require('./InvitationCode.js'),
   EmailAddress: require('./EmailAddress.js'),
+  SocialMedia: require('./SocialMedia.js'),
 }