feat(user): adds validation for changes before updating user profile

app/templates/users/index.html

@@ -24,7 +24,7 @@ super() }}
             {% endif %} 
           {% endwith %}
           <h5 class="card-title">Personal information</h5>
-          <form class="needs-validation" method="post" novalidate>
+          <form id="personal-information-form" class="needs-validation" method="post" novalidate>
             <div class="mb-3">
               <label class="form-label" for="name">Name</label>
               <input
@@ -172,6 +172,7 @@ super() }}
     </div>
   </div>
 </div>
+<script src="{{ url_for('static', filename='js/update-user-info.js') }}"></script>
 <script src="{{ url_for('static', filename='js/validate-form.js') }}"></script>
 <script src="{{ url_for('static', filename='js/passwords-match.js') }}"></script>
 {% endblock %}