message: make WIFI_MANAGER_MAX_PARAMS customizable
diff: @@ -35,7 +35,9 @@ const char HTTP_SCAN_LINK[] PROGMEM = "<br/><div class=\"c\"><a href=\"/wi
  const char HTTP_SAVED[] PROGMEM = "<div>Credentials Saved<br />Trying to connect ESP to network.<br />If it fails reconnect to AP to try again</div>";
  const char HTTP_END[] PROGMEM = "</div></body></html>";
  +#ifndef WIFI_MANAGER_MAX_PARAMS
  #define WIFI_MANAGER_MAX_PARAMS 10
  +#endif
  class WiFiManagerParameter {
  public:
  