Basic account and session system

Provide a basic account system with login and server side session store
identified by a cookie.  Upon successful login a signed session cookie
is set by the server with the session stored on the server identifying
which account it is logged in as.  The client uses a shared useFetch on
the session endpoint to identify if it's logged in and which account it
is logged in as, and refreshes this when loggin in or out.

pages/login.vue

@@ -0,0 +1,33 @@
+<template>
+	<main>
+		<h1>Log In</h1>
+		<form @submit.prevent="logIn">
+			<input v-model="name" type="text" placeholder="Name" required>
+			<button type="submit">Log In</button>
+		</form>
+		<pre><code>{{ result }}</code></pre>
+		<pre><code>Session: {{ session }}</code></pre>
+	</main>
+</template>
+
+<script lang="ts" setup>
+const { data: session, refresh: sessionRefresh } = useAccountSession();
+
+const name = ref("");
+const result = ref("")
+async function logIn() {
+	try {
+		const res = await $fetch.raw("/api/auth/login", {
+			method: "POST",
+			body: { name: name.value },
+		});
+		result.value = `Server replied: ${res.status} ${res.statusText}`;
+		await sessionRefresh();
+
+	} catch (err: any) {
+		console.log(err);
+		console.log(err.data);
+		result.value = `Server replied: ${err.statusCode} ${err.statusMessage}`;
+	}
+}
+</script>