added completed_jobs_result table

backend/migrations/20241002070109_create_completed_jobs_result.down.sql

@@ -0,0 +1,2 @@
+-- Add down migration script here
+DROP TABLE completed_jobs_result;

backend/migrations/20241002070109_create_completed_jobs_result.up.sql

@@ -0,0 +1,8 @@
+-- Add up migration script here
+
+CREATE TABLE completed_jobs_result (
+  id UUID PRIMARY KEY,
+  result JSONB,
+  tag VARCHAR(50),
+  workspace_id VARCHAR(50)
+);