fix: replace Link with anchor tags for OAuth buttons, add vercel_project_domain resource

Author: Long104

frontend/src/app/(landingPage)/sign-in/page.tsx

@@ -86,7 +86,7 @@ export default function LoginPage() {
 				</CardHeader>
 				<CardContent className="flex flex-col gap-4">
 					<div className="flex flex-col gap-2">
-						<Link
+						<a
 							href={process.env.NEXT_PUBLIC_BACKEND + "/google_login"}
 						>
 							<Button variant="outline" className="w-full">
@@ -127,16 +127,16 @@ export default function LoginPage() {
 								</svg>
 								Login with Google
 							</Button>
-						</Link>
+						</a>
 
-						<Link
+						<a
 							href={process.env.NEXT_PUBLIC_BACKEND + "/github_login"}
 						>
 							<Button variant="outline" className="w-full">
 								<Github className="w-5 h-5 mr-2" />
 								Login with GitHub
 							</Button>
-						</Link>
+						</a>
 					</div>
 					<div className="flex items-center flex-col">
 						<Separator className="flex-grow" />

infra/terraform/vercel.tf

@@ -34,3 +34,8 @@ resource "vercel_project_environment_variable" "backend_url" {
   target     = ["production"]
   sensitive  = false
 }
+
+resource "vercel_project_domain" "senzen_custom" {
+  project_id = vercel_project.senzen.id
+  domain     = var.frontend_domain
+}