update Sketch menu, add Save hex option

  * Moving Upload options from "File" menu to "Sketch" menu as those
     are sketch actions more than file actions.

Signed-off-by: Arnav Gupta <championswimmer@gmail.com>

Author: championswimmer

platform.txt

@@ -71,6 +71,10 @@ recipe.c.combine.pattern="{compiler.path}{compiler.c.elf.cmd}" {compiler.c.elf.f
 recipe.objcopy.eep.pattern="{compiler.path}{compiler.objcopy.cmd}" {compiler.objcopy.eep.flags} {compiler.objcopy.eep.extra_flags} "{build.path}/{build.project_name}.elf" "{build.path}/{build.project_name}.eep"
 recipe.objcopy.hex.pattern="{compiler.path}{compiler.elf2hex.cmd}" {compiler.elf2hex.flags} {compiler.elf2hex.extra_flags} "{build.path}/{build.project_name}.elf" "{build.path}/{build.project_name}.hex"
 
+## Save hex
+recipe.hex.tmp_file={build.project_name}.hex
+recipe.hex.save_file={build.project_name}.{build.variant}.hex
+
 ## Compute size
 recipe.size.pattern="{compiler.path}{compiler.size.cmd}" -A "{build.path}/{build.project_name}.elf"
 recipe.size.regex=^(?:\.text|\.data|\.bootloader)\s+([0-9]+).*