Add password reset functionality with form components, pages, and tests

- Implemented `PasswordResetRequestForm` and `PasswordResetConfirmForm` components with email and password validation, strength indicators, and error handling.
- Added dedicated pages for requesting and confirming password resets, integrated with React Query hooks and Next.js API routes.
- Included tests for validation rules, UI states, and token handling to ensure proper functionality and coverage.
- Updated ESLint and configuration files for new components and pages.
- Enhanced `IMPLEMENTATION_PLAN.md` with updated task details and documentation for password reset workflows.

frontend/src/app/(auth)/register/page.tsx

@@ -0,0 +1,20 @@
+'use client';
+
+import { RegisterForm } from '@/components/auth/RegisterForm';
+
+export default function RegisterPage() {
+  return (
+    <div className="space-y-6">
+      <div className="text-center">
+        <h2 className="text-3xl font-bold tracking-tight">
+          Create your account
+        </h2>
+        <p className="mt-2 text-sm text-muted-foreground">
+          Get started with your free account today
+        </p>
+      </div>
+
+      <RegisterForm showLoginLink />
+    </div>
+  );
+}