Ensures it gets cleaned with `./waf clean`. Users will hopefully delete
and not be confused by the old one as it will now show up as an
untracked file.
- modification of CMakeLists to use new component names of idf 5.3;
- removing big sdkconfig, which changes a lot, when upgrading idf and to use sdkconfig.defaults, which contain only non default defines;
- Updated idf installation packages list, according to espressif documentation;
- Updated README.md to reflect changes in sdkconfig handling;
- Fixed WDT in Scheduler, it was broken with idf 5.3;
- fixed compilation issues with GCC 13 (which is used by idf 5.3);
- fixed bug in case when HAL_ESP32_WIFI defined as 0 (disable wifi)
- Added ESP32 targets sdkconfig (auto generated) to .gitignore
