add secure mode note

Author: geohot

boardesp/webserver.c

@@ -206,6 +206,12 @@ static void ICACHE_FLASH_ATTR web_rx_cb(void *arg, char *data, uint16_t len) {
       } else {
         ets_strcat(resp, "\nesp flash file: user1.bin");
       }
+
+      if (wifi_secure_mode) {
+        ets_strcat(resp, "\nin secure mode");
+      } else {
+        ets_strcat(resp, "\nin INSECURE mode...<a href=\"/secure\">secure it</a>");
+      }
 
       ets_strcat(resp,"\nSet USB Mode:"
         "<button onclick=\"var xhr = new XMLHttpRequest(); xhr.open('GET', 'set_property?usb_mode=0'); xhr.send()\" type='button'>Client</button>"