Log Message:
Add mkspiffs 0.2.3

Tool to build and unpack SPIFFS images.
This package provides binaries built with the following configuration:
mkspiffs-arduino-esp32: configuration compatible with the Espressif ESP32
    arduino developpement environnement
mkspiffs-arduino-esp8266: configuration compatible with the Espressif ESP8266
    arduino developpement environnement
mkspiffs-esp-idf: configuration compatible with the Espressif IoT Development
    Framework
mkspiffs-generic: configuration using the default SPIFFS parameters