feat: add onboarding with oldmarr import (#1606)

packages/db/migrations/sqlite/0017_small_rumiko_fujikawa.sql

@@ -0,0 +1,5 @@
+CREATE TABLE `onboarding` (
+	`id` text PRIMARY KEY NOT NULL,
+	`step` text NOT NULL,
+	`previous_step` text
+);

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

@@ -120,6 +120,13 @@
       "when": 1732210918783,
       "tag": "0016_change_all_to_snake_case",
       "breakpoints": true
+    },
+    {
+      "idx": 17,
+      "version": "6",
+      "when": 1733777395703,
+      "tag": "0017_small_rumiko_fujikawa",
+      "breakpoints": true
     }
   ]
 }