fix(platform): Windows backslash cleanups

Ensure Windows paths properly use a backslash as folder separator.

Author: pillo79

Diff for: platform.txt

@@ -18,16 +18,16 @@ tools.esptool_py.cmd.linux=esptool.py
 tools.esptool_py.cmd.windows=esptool.exe
 
 tools.esptool_py.network_cmd=python3 "{runtime.platform.path}/tools/espota.py" -r
-tools.esptool_py.network_cmd.windows="{runtime.platform.path}/tools/espota.exe" -r
+tools.esptool_py.network_cmd.windows="{runtime.platform.path}\tools\espota.exe" -r
 
 tools.esp_ota.cmd=python3 "{runtime.platform.path}/tools/espota.py" -r
-tools.esp_ota.cmd.windows="{runtime.platform.path}/tools/espota.exe" -r
+tools.esp_ota.cmd.windows="{runtime.platform.path}\tools\espota.exe" -r
 
 tools.gen_esp32part.cmd=python3 "{runtime.platform.path}/tools/gen_esp32part.py"
-tools.gen_esp32part.cmd.windows="{runtime.platform.path}/tools/gen_esp32part.exe"
+tools.gen_esp32part.cmd.windows="{runtime.platform.path}\tools\gen_esp32part.exe"
 
 tools.gen_insights_pkg.cmd=python3 "{runtime.platform.path}"/tools/gen_insights_package.py
-tools.gen_insights_pkg.cmd.windows="{runtime.platform.path}/tools/gen_insights_package.exe"
+tools.gen_insights_pkg.cmd.windows="{runtime.platform.path}\tools\gen_insights_package.exe"
 
 compiler.path={tools.{build.tarch}-{build.target}-elf-gcc.path}/bin/
 compiler.sdk.path={runtime.platform.path}/tools/sdk/{build.mcu}
@@ -180,7 +180,7 @@ recipe.hooks.prebuild.3.pattern.windows=cmd /c if not exist "{build.path}\partit
 recipe.hooks.prebuild.4.pattern_args=--chip {build.mcu} elf2image --flash_mode {build.flash_mode} --flash_freq {build.flash_freq} --flash_size {build.flash_size} -o
 recipe.hooks.prebuild.4.pattern=/usr/bin/env bash -c "[ -f "{build.source.path}"/bootloader.bin ] && cp -f "{build.source.path}"/bootloader.bin "{build.path}"/{build.project_name}.bootloader.bin || ( [ -f "{build.variant.path}"/{build.custom_bootloader}.bin ] && cp "{build.variant.path}"/{build.custom_bootloader}.bin "{build.path}"/{build.project_name}.bootloader.bin || "{tools.esptool_py.path}"/{tools.esptool_py.cmd} {recipe.hooks.prebuild.4.pattern_args} "{build.path}"/{build.project_name}.bootloader.bin "{compiler.sdk.path}"/bin/bootloader_{build.boot}_{build.boot_freq}.elf )"
 recipe.hooks.prebuild.4.pattern.linux=/usr/bin/env bash -c "[ -f "{build.source.path}"/bootloader.bin ] && cp -f "{build.source.path}"/bootloader.bin "{build.path}"/{build.project_name}.bootloader.bin || ( [ -f "{build.variant.path}"/{build.custom_bootloader}.bin ] && cp "{build.variant.path}"/{build.custom_bootloader}.bin "{build.path}"/{build.project_name}.bootloader.bin || python3 "{tools.esptool_py.path}"/{tools.esptool_py.cmd} {recipe.hooks.prebuild.4.pattern_args} "{build.path}"/{build.project_name}.bootloader.bin "{compiler.sdk.path}"/bin/bootloader_{build.boot}_{build.boot_freq}.elf )"
-recipe.hooks.prebuild.4.pattern.windows=cmd /c IF EXIST "{build.source.path}\bootloader.bin" ( COPY /y "{build.source.path}\bootloader.bin" "{build.path}\{build.project_name}.bootloader.bin" ) ELSE ( IF EXIST "{build.variant.path}\{build.custom_bootloader}.bin" ( COPY "{build.variant.path}\{build.custom_bootloader}.bin" "{build.path}\{build.project_name}.bootloader.bin" ) ELSE ( "{tools.esptool_py.path}/{tools.esptool_py.cmd}" {recipe.hooks.prebuild.4.pattern_args} "{build.path}\{build.project_name}.bootloader.bin" "{runtime.platform.path}\tools\sdk\{build.mcu}\bin\bootloader_{build.boot}_{build.boot_freq}.elf" ) )
+recipe.hooks.prebuild.4.pattern.windows=cmd /c IF EXIST "{build.source.path}\bootloader.bin" ( COPY /y "{build.source.path}\bootloader.bin" "{build.path}\{build.project_name}.bootloader.bin" ) ELSE ( IF EXIST "{build.variant.path}\{build.custom_bootloader}.bin" ( COPY "{build.variant.path}\{build.custom_bootloader}.bin" "{build.path}\{build.project_name}.bootloader.bin" ) ELSE ( "{tools.esptool_py.path}\{tools.esptool_py.cmd}" {recipe.hooks.prebuild.4.pattern_args} "{build.path}\{build.project_name}.bootloader.bin" "{runtime.platform.path}\tools\sdk\{build.mcu}\bin\bootloader_{build.boot}_{build.boot_freq}.elf" ) )
 
 # Check if custom build options exist in the sketch folder
 recipe.hooks.prebuild.5.pattern=/usr/bin/env bash -c "[ ! -f "{build.source.path}"/build_opt.h ] || cp -f "{build.source.path}"/build_opt.h "{build.path}"/build_opt.h"