Add no longer maintained banner

readme.md

@@ -1,15 +1,9 @@
-<p align="center">
-<strong>:wave: Hey there! Looking for something even easier to use for LDAP integration in your PHP applications?</strong>
-</br>
 <h3 align="center">
- 🎉 Introducing <a href="https://github.com/DirectoryTree/LdapRecord" target="_blank" title="LdapRecord GitHub Repository">LdapRecord</a> 🎉
+<strong>:warning: Project No Longer Maintained :warning:</strong>
 </h3>
-</p>
 
-<p align="center">
-    <strong>
-        <a href="https://ldaprecord.com">LdapRecord</a> is the successor to Adldap2 - and comes with a ton of new features.
-    </strong> </br> Adldap2 will continue to be supported with bug fixes, <i>but will not receive new features.</i>
+<p align="center">Consider migrating to its direct replacement
+<a href="https://github.com/DirectoryTree/LdapRecord" target="_blank" title="LdapRecord GitHub Repository">LdapRecord</a>.
 </p>
 
 <p align="center">