add chocolatey instructions, closes #900 (#1271)
add chocolatey instructions, closes #900 (#1271)

Signed-off-by: Martin Hoefling <29039b829b743fcc4bc3f4108330edfe0ed36a8a@gmx.de>
justwatchcom/gopass,gopasspw/gopass,franciscocpg/gopass,gopasspw/gopass