Added basic login.

pages/users/@username/+onBeforeRender.js

@@ -0,0 +1,14 @@
+import { fetchUser } from '#/src/users.js';
+
+export async function onBeforeRender(pageContext) {
+	const profile = await fetchUser(pageContext.routeParams.username);
+
+	return {
+		pageContext: {
+			title: profile.username,
+			pageProps: {
+				profile, // differentiate from authed 'user'
+			},
+		},
+	};
+}