Migration to Nuxt v4 file structure and dependencies update

app/composables/useDatabase.ts

@@ -0,0 +1,22 @@
+import { Database } from "bun:sqlite";
+import { BunSQLiteDatabase, drizzle } from "drizzle-orm/bun-sqlite";
+import * as schema from '../db/schema';
+
+let instance: BunSQLiteDatabase<typeof schema> & {
+    $client: Database;
+};
+export default function useDatabase()
+{
+    if(!instance)
+    {
+        const database = useRuntimeConfig().database;
+        const sqlite = new Database(database);
+        instance = drizzle({ client: sqlite, schema, /* logger: true */ });
+
+        instance.run("PRAGMA journal_mode = WAL;");
+        instance.run("PRAGMA foreign_keys = true;");
+        instance.run("PRAGMA optimize=0x10002;");
+    }
+
+    return instance;
+}