Add login functionality

pages/login.vue

@@ -3,8 +3,25 @@ definePageMeta({
     layout: 'login'
 })
 
-const login = () => {
-    console.log('login')
+const login = async () => {
+    const payload = {
+        username: document.getElementById('username')?.value,
+        password: document.getElementById('password')?.value
+    }
+    const config = useRuntimeConfig()
+    const apiBase = config.public.apiBase
+    const api_url = `${apiBase}/auth/token`
+    const { data: user } = await useFetch(api_url, {
+        method: 'POST',
+        body: payload
+    })
+    if (!user.value) {
+        throw createError({
+            statusCode: 401,
+            statusMessage: 'Unauthorized'
+        })
+    }
+    localStorage.setItem('user', JSON.stringify(user.value))
     navigateTo('/')
 }
 </script>