contrib/editmergeps.bat

rust: rustfmt config for hg-direct-ffi

For now, we're duplicating it, but it would be probably a good idea
to use a single one for the whole workspace (would have implications on the
other crates as well)

@echo off
powershell -NoProfile -ExecutionPolicy unrestricted -Command "& '%~dp0\editmergeps.ps1' %*"