Refactor ProfileDropdown to fetch user details, simplify logout flow, and enhance dropdown UI; add /api/me route for user data retrieval.

main-website/app/api/me/route.ts

@@ -0,0 +1,8 @@
+import {NextRequest, NextResponse} from 'next/server'
+
+export function GET(req: NextRequest) {
+    const user = req.headers.get('x-user') ?? ''
+    const email = req.headers.get('x-email') ?? ''
+
+    return NextResponse.json({user, email})
+}