feat: DB-Schema (candles, backtest_runs), Migration, CandleStore

src/server/db/client.ts

@@ -0,0 +1,7 @@
+import { drizzle } from 'drizzle-orm/postgres-js';
+import postgres from 'postgres';
+import { env } from '../config';
+import * as schema from './schema';
+
+export const sql = postgres(env.DATABASE_URL, { max: 5 });
+export const db = drizzle(sql, { schema });