[Library Manager] Please add LittleFS_esp32 to the library manager

[lorol]

Please add the LittleFS esp32 wrapper as an Arduino library. The url is:
https://github.com/lorol/LITTLEFS

Here is discussion about it and recommendation to go this way:
espressif/arduino-esp32#4096 (comment)

[cmaglie]

Done.

[lorol]

Thank you!