feat: Implement staff attire management including fetching options, user attire status, and upserting attire details.

backend/dataconnect/connector/staffAttire/queries.gql

@@ -0,0 +1,7 @@
+query getStaffAttire($staffId: UUID!) @auth(level: USER) {
+  staffAttires(where: { staffId: { eq: $staffId } }) {
+    attireOptionId
+    verificationStatus
+    verificationPhotoUrl
+  }
+}