feat(branding): add global dynamic theme system and fix 2fa mail

shop/app/layout.tsx

@@ -1,6 +1,6 @@
 import type { Metadata } from "next";
 import { Geist } from "next/font/google";
-import { ThemeProvider } from "next-themes";
+import { ThemeProvider } from "@/components/ThemeProvider";
 import { InactivityTracker } from "@/components/inactivity-tracker";
 import { HeaderWrapper } from "@/components/HeaderWrapper";
 import { Navbar } from "@/components/Navbar";