add gvim to right context

gvim.reg

Windows Registry Editor Version 5.00

[HKEY_CLASSES_ROOT*shellgVim]
@="Edit with Vim(&V)"
"icon"=""E:\gvim\vim81\gvim.exe""

[HKEY_CLASSES_ROOT*shellgVimcommand]
@=""E:\gvim\vim81\gvim.exe" "%1""