docs(README): update demo section

Author: aelassas

README.md

@@ -97,7 +97,7 @@ Some features are locked down on the demo links provided. To have access to all
 * Login: [email protected]
 * Password: B00kC4r5
 
-### Admin Dashboard
+### Admin Panel
 
 * URL: https://bookcars.dynv6.net:3001/
 * Login: [email protected]