docs: update title format in index.html to include hyphen

Author: olivomarco

docs/index.html

@@ -5,7 +5,7 @@
   <meta charset="utf-8" />
   <meta name="viewport" content="width=device-width, initial-scale=1" />
 
-  <title>RVAS Agentic DevSecOps</title>
+  <title>RVAS - Agentic DevSecOps</title>
   <meta name="description"
     content="Production adoption paths for GitHub — Enterprise Cloud, migrations, Advanced Security, agentic workflows, and cloud DevOps. Hands-on activities your teams run in their own organization." />
   <link rel="preconnect" href="https://fonts.googleapis.com" />