🔧 Config INI, dump options (#24528)

platformio.ini

@@ -16,6 +16,7 @@ boards_dir   = buildroot/share/PlatformIO/boards
 default_envs = mega2560
 include_dir  = Marlin
 extra_configs =
+    Marlin/config.ini
     ini/avr.ini
     ini/due.ini
     ini/esp32.ini
@@ -44,12 +45,13 @@ extra_configs =
 build_flags        = -g3 -D__MARLIN_FIRMWARE__ -DNDEBUG
                      -fmax-errors=5
 extra_scripts      =
+  pre:buildroot/share/PlatformIO/scripts/configuration.py
   pre:buildroot/share/PlatformIO/scripts/common-dependencies.py
   pre:buildroot/share/PlatformIO/scripts/common-cxxflags.py
   pre:buildroot/share/PlatformIO/scripts/preflight-checks.py
   post:buildroot/share/PlatformIO/scripts/common-dependencies-post.py
 lib_deps           =
-default_src_filter = +<src/*> -<src/config> -<src/HAL> +<src/HAL/shared>
+default_src_filter = +<src/*> -<src/config> -<src/HAL> +<src/HAL/shared> -<Marlin/Marlin.ino>
   -<src/lcd/HD44780> -<src/lcd/TFTGLCD> -<src/lcd/dogm> -<src/lcd/tft> -<src/lcd/tft_io>
   -<src/HAL/STM32/tft> -<src/HAL/STM32F1/tft>
   -<src/lcd/e3v2/common> -<src/lcd/e3v2/creality> -<src/lcd/e3v2/proui> -<src/lcd/e3v2/jyersui> -<src/lcd/e3v2/marlinui>