Set up the basic structure and functionality for the DJ management system

Initializes project structure, adds core components, and configures essential dependencies.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: 3a22ac80-cd1d-4441-9e36-f24fc2f4c3de
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/3478f7c3-db8c-4fca-9165-3adbdf1b5829/e8da43e7-d99c-4328-9fdc-485bdeecffc1.jpg

drizzle.config.ts

@@ -0,0 +1,14 @@
+import { defineConfig } from "drizzle-kit";
+
+if (!process.env.DATABASE_URL) {
+  throw new Error("DATABASE_URL, ensure the database is provisioned");
+}
+
+export default defineConfig({
+  out: "./migrations",
+  schema: "./shared/schema.ts",
+  dialect: "postgresql",
+  dbCredentials: {
+    url: process.env.DATABASE_URL,
+  },
+});