Set up sponsors section

apps/client/src/app/pages/about/overview/about-overview-page.html

@@ -175,7 +175,7 @@
     </div>
   </div>
 
-  <div class="row">
+  <div class="mb-5 row">
     <div
       class="col-md-6 col-xs-12 my-2"
       [ngClass]="{ 'offset-md-3': hasPermissionForSubscription === false }"
@@ -201,4 +201,26 @@
       </div>
     }
   </div>
+
+  <div class="row">
+    <div class="col-12">
+      <h2 class="h4 mb-3">Sponsors</h2>
+      <div class="text-center">
+        <small>Browser testing via</small>
+        <br />
+        <a
+          href="https://www.lambdatest.com?utm_medium=sponsor&utm_source=ghostfolio"
+          target="_blank"
+          title="LambdaTest - AI Powered Testing Tool"
+        >
+          <img
+            alt="LambdaTest Logo"
+            height="45"
+            src="https://www.lambdatest.com/blue-logo.png"
+            width="250"
+          />
+        </a>
+      </div>
+    </div>
+  </div>
 </div>