Improve file system documentation
Improve file system documentation

gguuss/Arduino,Cloudino/Cloudino-Arduino-IDE,Adam5Wu/Arduino,Juppit/Arduino,KaloNK/Arduino,Links2004/Arduino,lrmoreno007/Arduino,Cloudino/Cloudino-Arduino-IDE,gguuss/Arduino,lrmoreno007/Arduino,edog1973/Arduino,edog1973/Arduino,wemos/Arduino,wemos/Arduino,gguuss/Arduino,martinayotte/ESP8266-Arduino,Cloudino/Cloudino-Arduino-IDE,sticilface/Arduino,sticilface/Arduino,CanTireInnovations/Arduino,NullMedia/Arduino,Cloudino/Arduino,Links2004/Arduino,Adam5Wu/Arduino,jes/Arduino,NullMedia/Arduino,martinayotte/ESP8266-Arduino,Cloudino/Arduino,Adam5Wu/Arduino,wemos/Arduino,me-no-dev/Arduino,KaloNK/Arduino,Cloudino/Arduino,hallard/Arduino,quertenmont/Arduino,jes/Arduino,CanTireInnovations/Arduino,CanTireInnovations/Arduino,toastedcode/esp8266-Arduino,NextDevBoard/Arduino,NextDevBoard/Arduino,toastedcode/esp8266-Arduino,esp8266/Arduino,chrisfraser/Arduino,lrmoreno007/Arduino,toastedcode/esp8266-Arduino,chrisfraser/Arduino,me-no-dev/Arduino,Lan-Hekary/Arduino,martinayotte/ESP8266-Arduino,Cloudino/Cloudino-Arduino-IDE,wemos/Arduino,Links2004/Arduino,lrmoreno007/Arduino,NextDevBoard/Arduino,lrmoreno007/Arduino,edog1973/Arduino,esp8266/Arduino,hallard/Arduino,quertenmont/Arduino,Lan-Hekary/Arduino,Cloudino/Cloudino-Arduino-IDE,me-no-dev/Arduino,martinayotte/ESP8266-Arduino,Lan-Hekary/Arduino,hallard/Arduino,CanTireInnovations/Arduino,chrisfraser/Arduino,CanTireInnovations/Arduino,jes/Arduino,esp8266/Arduino,Adam5Wu/Arduino,Lan-Hekary/Arduino,Links2004/Arduino,Cloudino/Arduino,quertenmont/Arduino,chrisfraser/Arduino,Cloudino/Arduino,chrisfraser/Arduino,NullMedia/Arduino,Cloudino/Cloudino-Arduino-IDE,gguuss/Arduino,NextDevBoard/Arduino,esp8266/Arduino,Juppit/Arduino,edog1973/Arduino,me-no-dev/Arduino,Cloudino/Cloudino-Arduino-IDE,Links2004/Arduino,sticilface/Arduino,NextDevBoard/Arduino,Juppit/Arduino,Lan-Hekary/Arduino,NullMedia/Arduino,Juppit/Arduino,KaloNK/Arduino,CanTireInnovations/Arduino,sticilface/Arduino,hallard/Arduino,KaloNK/Arduino,CanTireInnovations/Arduino,edog1973/Arduino,jes/Arduino,toastedcode/esp8266-Arduino,NullMedia/Arduino,Juppit/Arduino,Adam5Wu/Arduino,sticilface/Arduino,Cloudino/Arduino,hallard/Arduino,gguuss/Arduino,martinayotte/ESP8266-Arduino,toastedcode/esp8266-Arduino,Cloudino/Arduino,KaloNK/Arduino,jes/Arduino,quertenmont/Arduino,quertenmont/Arduino,esp8266/Arduino,wemos/Arduino,me-no-dev/Arduino