Update ESP-IDF to 4.4

[endrl]

• Update ESP-IDF to 4.4
• Adds a config for vscode and a quick start at the readme (is supported from espressif)

There is at least one breaking change to consider: I disabled it. Not sure if this is a real thing

Bootloader: The default app configuration is only compatible with bootloader and partition table generated from ESP-IDF V3.1 or newer. Apps that need to support OTA update on bootloaders and/or partition tables from older ESP-IDF must enable the new configuration option "App compatible with bootloader and partition table before ESP-IDF v3.1". Additionally, in ESP-IDF v3.3, CMake build system failed to append MD5 checksum to the partition table even when the option was enabled. This bug was fixed before v4.0 release. If the bootloader and partition table were initially built with CMake and IDF v3.3.x, then the compatibility option should also be enabled.

Also there is an option that changed buffer size. All are default values, based on commit history i found nothing to argue for/against it. Some new options are available that might be interesting to disable.

Just leave your thought