Add database initialization

now, when the project is ran without configured database,
it will prompt for the first user to configure
the database and add the first user

server/api/firstRun.get.ts

@@ -0,0 +1,15 @@
+/* global defineEventHandler */
+import { data, database } from "../utils/database";
+
+export async function isFirstRun() {
+  const [tables] = await database.query({ sql: "SHOW TABLES", rowsAsArray: true }, []) as data<[string]>;
+  if (tables.length === 0) return true;
+  if (!tables.find(a => a[0] === "users")) return true;
+  const [[users]] = await database.query("SELECT COUNT(*) as `count` FROM `users`") as data<{count: number}>;
+  if (users.count === 0) return true;
+  return false;
+}
+
+export default defineEventHandler((e) => {
+  return isFirstRun();
+});