Update version number from v30.0 to v31.0

index.html

@@ -94,7 +94,7 @@
                 <div class="home-hero-title">
                     <h1>VBB NETZ STATUS</h1>
                     <p>Live-Nahverkehr für Berlin & Brandenburg</p>
-                    <div class="home-version">v30.0</div>
+                    <div class="home-version">v31.0</div>
                 </div>
             </div>
 
@@ -450,4 +450,4 @@
 
     <script src="script.js"></script>
 </body>
-</html>
+</html>