First Commit(なのに未完成)

src/routes/index.vue

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+<template>
+</template>
+
+<script lang="ts" setup>
+import { useHead } from "@vueuse/head";
+import Database from "@/lib/db";
+import { isSignin } from "@/lib/account";
+import { useRouter } from "vue-router";
+
+useHead({
+  title: "ホーム | Clean Follow uwuzu",
+});
+
+const db = new Database();
+
+if (!await isSignin(db)) {
+  useRouter().replace("/signin");
+}
+</script>