feat: add parent PIN setup functionality and email notifications

- Implemented User model updates to include PIN and related fields.
- Created email sender utility for sending verification and reset emails.
- Developed ParentPinSetup component for setting up a parent PIN with verification code.
- Enhanced UserProfile and EntityEditForm components to support new features.
- Updated routing to include PIN setup and authentication checks.
- Added styles for new components and improved existing styles for consistency.
- Introduced loading states and error handling in various components.

backend/api/auth_api.py

@@ -3,7 +3,7 @@ import secrets, jwt
 from datetime import datetime, timedelta, timezone
 from models.user import User
 from flask import Blueprint, request, jsonify, current_app
-from flask_mail import Mail, Message
+from backend.utils.email_instance import email_sender
 from tinydb import Query
 import os
 
@@ -18,32 +18,15 @@ from db.db import users_db
 logger = logging.getLogger(__name__)
 auth_api = Blueprint('auth_api', __name__)
 UserQuery = Query()
-mail = Mail()
 TOKEN_EXPIRY_MINUTES = 60*4
 RESET_PASSWORD_TOKEN_EXPIRY_MINUTES = 10
 
 
 def send_verification_email(to_email, token):
-    verify_url = f"{current_app.config['FRONTEND_URL']}/auth/verify?token={token}"
-    html_body = f'Click <a href="{verify_url}">here</a> to verify your account.'
-    msg = Message(
-        subject="Verify your account",
-        recipients=[to_email],
-        html=html_body,
-        sender=current_app.config['MAIL_DEFAULT_SENDER']
-    )
-    mail.send(msg)
+    email_sender.send_verification_email(to_email, token)
 
 def send_reset_password_email(to_email, token):
-    reset_url = f"{current_app.config['FRONTEND_URL']}/auth/reset-password?token={token}"
-    html_body = f'Click <a href="{reset_url}">here</a> to reset your password.'
-    msg = Message(
-        subject="Reset your password",
-        recipients=[to_email],
-        html=html_body,
-        sender=current_app.config['MAIL_DEFAULT_SENDER']
-    )
-    mail.send(msg)
+    email_sender.send_reset_password_email(to_email, token)
 
 @auth_api.route('/signup', methods=['POST'])
 def signup():