add blocked queries to dashboard.html

Author: 62f1346c-4576-42b3-afcb-23ef1820da34

dnscrypt-proxy/static/templates/dashboard.html

@@ -104,6 +104,10 @@ <h2>Overview</h2>
                     <span class="stat-label">Total Queries:</span>
                     <span id="total-queries">-</span>
                 </div>
+                <div class="stat">
+                    <span class="stat-label">Blocked Queries:</span>
+                    <span id="blocked-queries">-</span>
+                </div>
                 <div class="stat">
                     <span class="stat-label">Queries Per Second:</span>
                     <span id="qps">-</span>
@@ -201,4 +205,4 @@ <h2>Recent Queries</h2>
 
     <script src="/static/monitoring.js"></script>
 </body>
-</html>
+</html>