feat: Workflow engine modules (#6128)

packages/workflow-engine-redis/src/schema/index.ts

@@ -0,0 +1,26 @@
+export default `
+scalar DateTime
+scalar JSON
+
+enum TransactionState {
+  NOT_STARTED
+  INVOKING
+  WAITING_TO_COMPENSATE
+  COMPENSATING
+  DONE
+  REVERTED
+  FAILED
+}
+
+type WorkflowExecution {
+  id: ID!
+  created_at: DateTime!
+  updated_at: DateTime!
+  deleted_at: DateTime
+  workflow_id: string
+  transaction_id: string
+  execution: JSON
+  context: JSON
+  state: TransactionState
+}
+`