Migration of PlatformIO 5.2.0 to 6.1.0 (resp. ESP IDF from 4.4.2 to 5.0.1) (#2305)

* Migration to PlatformIO 6.1.0

* Disable RMTMEM usage as it is no longer allowed -> Smart LEDs not functional!

* moved miniz into subfolder of jomjol_fileserver_ota, else it does not build anymore.

* cleanup

* fix leading NaN (#2310)

* Migration to PlatformIO 6.1.0

* Disable RMTMEM usage as it is no longer allowed -> Smart LEDs not functional!

* moved miniz into subfolder of jomjol_fileserver_ota, else it does not build anymore.

* cleanup

* Task watchdog has new config name

* Fix return value check. It must be something else than ESP_FAIL, but it does not need to be ESP_OK!

* add missing strucures to work around new RMTMEM restriction (untested)

---------

Co-authored-by: CaCO3 <caco@ruinelli.ch>

code/components/jomjol_fileserver_ota/server_file.cpp

@@ -47,7 +47,6 @@ extern "C" {
 #include "Helper.h"
 #include "miniz.h"
 
-
 static const char *TAG = "OTA FILE";
 
 struct file_server_data {