message: update docblock to reflect setConfigPortalBlocking ignored configportaltimeout
diff: @@ -162,7 +162,7 @@ class WiFiManager
  //sets timeout before AP,webserver loop ends and exits even if there has been no setup.
  //useful for devices that failed to connect at some point and got stuck in a webserver loop
  - //in seconds setConfigPortalTimeout is a new name for setTimeout
  + //in seconds setConfigPortalTimeout is a new name for setTimeout, ! not used if setConfigPortalBlocking
  void setConfigPortalTimeout(unsigned long seconds);
  void setTimeout(unsigned long seconds); // @deprecated, alias
  @@ -188,7 +188,9 @@ class WiFiManager
  bool addParameter(WiFiManagerParameter *p);
  //if this is set, it will exit after config, even if connection is unsuccessful.
  void setBreakAfterConfig(boolean shouldBreak);
  - //if this is set, portal will be blocking and wait until save or exit, is false user must manually `process()` to handle config portal
  + // if this is set, portal will be blocking and wait until save or exit,
  + // is false user must manually `process()` to handle config portal,
  + // setConfigPortalTimeout is ignored in this mode, user is responsible for closing configportal
  void setConfigPortalBlocking(boolean shouldBlock);
  //if this is set, customise style
  void setCustomHeadElement(const char* element);
  