Add codes 15 and 16 to the blocked count

- 15: Blocked (database is busy)
- 16: Blocked (special domain)

Signed-off-by: RD WebDesign <github@rdwebdesign.com.br>

api_db.php

@@ -324,7 +324,7 @@ if (isset($_GET['getGraphData']) && $auth) {
                 ELSE 0
             END) AS domains,
             SUM(CASE
-                WHEN status IN (1,4,5,6,7,8,9,10,11) THEN 1
+                WHEN status IN (1,4,5,6,7,8,9,10,11,15,16) THEN 1
                 ELSE 0
             END) AS blocked
         FROM queries