User level check implementation

templates/access_denied.html

@@ -0,0 +1,19 @@
+{% extends "base.html" %}
+
+{% block content %}
+
+<div class='row'>
+    <div class='col-lg-6'>    
+<div class="card card-primary card-outline">
+    <div class="card-header">
+        <h3 class="card-title">Access Denied</h3>
+    </div>
+    <div class="card-body">
+        <p>Sorry, you do not have permission to access this page. <br>Please contact your system administrator if you believe this is an error.</p>
+    </div>
+</div>
+
+</div>
+</div>
+
+{% endblock %}