Fix npm doesn't regconize node_modules binary files

npm does not recognize binary files in node_modules folder.md

Try to run bin file with and without extension:

.\node_modules\.bin\electron.cmd
.\node_modules\.bin\electron

If it's work with extension but not without, check PATHEXT environment variable.

echo %PATHEXT%
.COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC;.PY;.PYW

Windows might treat PATHEXT as case-sensitive. Change PATHEXT variable to include lowercase extensions.

set PATHEXT=.COM;.com;.EXE;.exe;.BAT;.bat;.CMD;.cmd;.VBS;.vbs;.VBE;.vbe;.JS;.js;.JSE;.jse;.WSF;.wsf;.WSH;.wsh;.MSC;.msc;.PY;.py;.PYW;.pyw