feat: migrate from PocketBase to PostgreSQL with Drizzle ORM

- Add @project-e/db package with Drizzle schema and migrations
- Replace PocketBase client with PostgreSQL-based database client
- Migrate auth from custom to NextAuth.js
- Add Docker Compose with PostgreSQL container
- Update worker to use new database client
- Remove PocketBase-specific files and migrations
- Add drizzle config and initial migration

apps/web/app/(auth)/login/page.tsx

@@ -2,6 +2,7 @@
 
 import { useState } from 'react';
 import { useRouter } from 'next/navigation';
+import { signIn } from 'next-auth/react';
 import { Button } from '@/components/ui/button';
 import { Input } from '@/components/ui/input';
 import { Label } from '@/components/ui/label';
@@ -21,16 +22,13 @@ export default function LoginPage() {
     setLoading(true);
 
     try {
-      const response = await fetch('/api/auth/login', {
-        method: 'POST',
-        headers: { 'Content-Type': 'application/json' },
-        body: JSON.stringify({ email, password }),
+      const result = await signIn('credentials', {
+        email,
+        password,
+        redirect: false,
       });
 
-      if (!response.ok) {
-        const error = await response.json();
-        throw error;
-      }
+      if (!result?.ok) throw new Error('Unable to sign in. Check your credentials and try again.');
 
       router.push('/dashboard');
     } catch (error) {