feat: redirect from root to login for self hosted instances

apps/web/src/middleware.ts

@@ -0,0 +1,18 @@
+import type { NextRequest } from "next/server";
+import { NextResponse } from "next/server";
+import { env } from "next-runtime-env";
+
+export function middleware(request: NextRequest) {
+  if (request.nextUrl.pathname === "/") {
+    if (env("NEXT_PUBLIC_KAN_ENV") !== "cloud") {
+      const loginUrl = new URL("/login", request.url);
+      return NextResponse.redirect(loginUrl);
+    }
+  }
+
+  return NextResponse.next();
+}
+
+export const config = {
+  matcher: ["/"],
+};