Add macOS build instruction and support spaces in vesc_tool path

Author: 0x41kravchenko

Makefile

@@ -9,9 +9,9 @@ all: refloat.vescpkg
 
 refloat.vescpkg: src lisp/package.lisp package_README-gen.md ui.qml
 ifeq ($(OLDVT), 1)
-	$(VESC_TOOL) --buildPkg "refloat.vescpkg:lisp/package.lisp:ui.qml:0:package_README-gen.md:Refloat"
+	"$(VESC_TOOL)" --buildPkg "refloat.vescpkg:lisp/package.lisp:ui.qml:0:package_README-gen.md:Refloat"
 else
-	$(VESC_TOOL) --buildPkgFromDesc pkgdesc.qml
+	"$(VESC_TOOL)" --buildPkgFromDesc pkgdesc.qml
 endif
 
 src:

README.md

@@ -30,6 +30,10 @@ If you don't have `vesc_tool` in your `$PATH` (but you have, for example, a down
 ```sh
 make VESC_TOOL=/path/to/vesc_tool
 ```
+For macOS, the path to VESC Tool when installed using the official installer is as follows:
+```sh
+make VESC_TOOL="/Applications/VESC Tool.app/Contents/MacOS/VESC Tool"
+```
 
 ## Documentation
 [Development Documentation](doc/index.md)