Finished schema creation

Added Navbar functionality
Added header

eveai_app/templates/header.html

@@ -0,0 +1,13 @@
+<header class="header-2">
+    <div class="page-header min-vh-75" style="background-image: url({{url_for('static', filename='/assets/img/EveAI_bg1.jpg')}})" loading="lazy">
+        <span class="mask bg-gradient-primary opacity-4"></span>
+        <div class="container">
+            <div class="row">
+                <div class="col-lg-7 text-center mx-auto">
+                    <h1 class="text-white pt-3 mt-n5">EveAI Virtual Assistant</h1>
+                    <p class="lead text-white mt-3 px-5">Enhance Customer Interaction with AI</p>
+                </div>
+            </div>
+        </div>
+    </div>
+</header>