feat(monorepo): migrate to typescript monorepo

apps/mobile-legacy/tamagui.config.ts

@@ -0,0 +1,9 @@
+import { defaultConfig } from "@tamagui/config/v4";
+import { createTamagui } from "tamagui";
+
+import { themes } from "./themes";
+
+export const config = createTamagui({
+    ...defaultConfig,
+    themes,
+});