feat: add core backend modules, inventory services, and patch scripts for AI Pharmacy API

alter_users.ts

@@ -0,0 +1,14 @@
+import { pool } from './src/db/pool';
+
+async function run() {
+  try {
+    await pool.query("ALTER TABLE users ADD COLUMN IF NOT EXISTS email VARCHAR(255)");
+    await pool.query("ALTER TABLE users ADD COLUMN IF NOT EXISTS phone_number VARCHAR(50)");
+    console.log("Added email and phone_number columns to users table");
+  } catch (e) {
+    console.error(e);
+  } finally {
+    process.exit();
+  }
+}
+run();