Update sidebar.html

adding sbom page and change section title

Author: nrios14

_includes/sidebar.html

@@ -100,7 +100,7 @@ <h3>CI Environment Reference</h3>
         <li><a href="/user/ip-addresses/">Build Machines IP Addresses</a></li>
       </ul>
 
-      <h3>Encrypting Files and Data</h3>
+      <h3>Security and Secure Software Supply Chain</h3>
       <ul>
         <li><a href="/user/encryption-keys/">Encrypting Sensitive Data</a></li>
         <li><a href="/user/encrypting-files/">Encrypting Files</a></li>
@@ -111,6 +111,7 @@ <h3>Encrypting Files and Data</h3>
         <li><a href="/user/disable-job-logs/">Disable Job Logs Availability</a></li>
         <li><a href="/user/best-practices-security/">Best Practices in Securing Your Data</a></li>
         <li><a href="/user/securely-signing-software">Securely Signing Software</a></li>
+        <li><a href="/user/sbom">Software Bill of Materials</a></li>
       </ul>
 
       <h3>Integrations and Notifications</h3>