chore(legacy): relocate v1 dataconnect source

legacy/dataconnect-v1/schema/certificate.gql

@@ -0,0 +1,55 @@
+enum ComplianceType {
+  BACKGROUND_CHECK
+  FOOD_HANDLER
+  RBS
+  LEGAL
+  OPERATIONAL
+  SAFETY
+  TRAINING
+  LICENSE
+  OTHER
+}
+
+enum CertificateStatus {
+  CURRENT
+  EXPIRING_SOON
+  COMPLETED
+  PENDING
+  EXPIRED
+  EXPIRING
+  NOT_STARTED
+}
+
+enum ValidationStatus {
+  APPROVED
+  PENDING_EXPERT_REVIEW
+  REJECTED
+  AI_VERIFIED
+  AI_FLAGGED
+  MANUAL_REVIEW_NEEDED
+}
+
+
+type Certificate @table(name: "certificates", key: ["staffId", "certificationType"]) {
+  id: UUID! @default(expr: "uuidV4()")
+
+  name: String!
+  description: String
+  expiry: Timestamp
+  status: CertificateStatus!
+  fileUrl: String
+  icon: String
+  certificationType: ComplianceType!
+  issuer: String #Issuing Authority
+  certificateNumber: String 
+  
+  validationStatus: ValidationStatus
+  verificationId: String
+
+  staffId: UUID!
+  staff: Staff! @ref(fields: "staffId", references: "id")
+
+  createdAt: Timestamp @default(expr: "request.time")
+  updatedAt: Timestamp @default(expr: "request.time")
+  createdBy: String
+}