feat: add onboarding with oldmarr import (#1606)

packages/old-import/src/import/input.ts

@@ -0,0 +1,24 @@
+import SuperJSON from "superjson";
+import { z } from "zod";
+import { zfd } from "zod-form-data";
+
+import { initialOldmarrImportSettings } from "../settings";
+
+const boardSelectionMapSchema = z.map(
+  z.string(),
+  z.object({
+    sm: z.boolean().nullable(),
+    md: z.boolean().nullable(),
+    lg: z.boolean().nullable(),
+  }),
+);
+
+export const importInitialOldmarrInputSchema = zfd.formData({
+  file: zfd.file(),
+  settings: zfd.json(initialOldmarrImportSettings),
+  boardSelections: zfd.text().transform((value) => {
+    const map = boardSelectionMapSchema.parse(SuperJSON.parse(value));
+    return map;
+  }),
+  token: zfd.text().nullable(),
+});