feat: add onboarding with oldmarr import (#1606)

packages/db/migrations/mysql/0017_tired_penance.sql

@@ -0,0 +1,6 @@
+CREATE TABLE `onboarding` (
+	`id` varchar(64) NOT NULL,
+	`step` varchar(64) NOT NULL,
+	`previous_step` varchar(64),
+	CONSTRAINT `onboarding_id` PRIMARY KEY(`id`)
+);

packages/db/migrations/mysql/meta/_journal.json

@@ -120,6 +120,13 @@
       "when": 1732212709518,
       "tag": "0016_change_all_to_snake_case",
       "breakpoints": true
+    },
+    {
+      "idx": 17,
+      "version": "5",
+      "when": 1733777544067,
+      "tag": "0017_tired_penance",
+      "breakpoints": true
     }
   ]
 }