added comments for environments

Platformio/platformio.ini

@@ -11,8 +11,9 @@
 [platformio]
 default_envs = esp32
 
+; platformio.ini custom options, reused by lovyanGFX, SDL2 and in OMOTE code
+; used by all environments
 [env]
-;-- platformio.ini custom options, reused by lovyanGFX, SDL2 and in OMOTE code -
 custom_screen_width = 240
 custom_screen_height = 320
 lib_deps = 
@@ -127,6 +128,7 @@ build_src_filter =
 	-<../hardware/ESP32/boardtest/main_boardtest.cpp>
 	-<devices_pool/*>
 
+; use this is for OMOTE hardware revision 1 to 4
 [env:esp32]
 extends = esp32-common
 board = esp32dev
@@ -144,6 +146,7 @@ build_flags =
 	; please select environment esp32-s3 for later hardware revisions!
 	-D OMOTE_HARDWARE_REV=4
 
+; use this is for OMOTE hardware revision 5
 [env:esp32-s3]
 extends = esp32-common
 board = esp32-s3-devkitc-1
@@ -164,6 +167,7 @@ build_flags =
 	; 5: rev5 - Major overhaul: ESP32-S3 with PSRAM, 8-Bit LCD, TCA8418
 	-D OMOTE_HARDWARE_REV=5
 
+; use this is for a test of the board, OMOTE hardware revision 1 to 4
 [env:esp32_testboard]
 extends = env:esp32
 build_flags =
@@ -172,7 +176,7 @@ build_src_filter =
 	+<../hardware/ESP32/boardtest/main_boardtest.cpp>
 	+<../hardware/ESP32/lib/Keypad/src/*>
 
-; use this if you are using Ubuntu or WSL2 (64 bit compiler)
+; use this if you are using the simulator in Ubuntu or WSL2 (64 bit compiler)
 [env:linux_64bit]
 platform = native@^1.2.1
 lib_deps = 
@@ -205,15 +209,15 @@ build_src_filter =
 	+<../hardware/windows_linux/*>
 	-<devices_pool/*>
 
-; use this if you are using Windows MSYS2 MINGW64 (64 bit compiler)
+; use this if you are using the simulator in Windows MSYS2 MINGW64 (64 bit compiler)
 [env:windows_64bit]
 extends = env:linux_64bit
 build_flags =
 	${env:linux_64bit.build_flags}
 	; winsock
 	-l ws2_32
 
-; use this if you are using Windows MSYS2 MINGW32 (32 bit compiler)
+; use this if you are using the simulator in Windows MSYS2 MINGW32 (32 bit compiler)
 [env:windows_32bit]
 extends = env:windows_64bit
 build_unflags =
@@ -235,6 +239,7 @@ build_flags =
 	;linker option
 	-Wl,-mi386pe
 
+; use this if you are using the simulator in macOS
 [env:macOS]
 extends = env:linux_64bit
 build_flags =