This field is now required, otherwise we get this error:
> error: this vcpkg instance requires a manifest with a specified baseline in order to interact with ports.
> Please add 'builtin-baseline' to the manifest or add a 'vcpkg-configuration.json' that redefines the default registry.
The hash here is a commit hash from https://github.com/microsoft/vcpkg/commits/master
libmpq is a much simpler alternative to StormLib for reading MPQ archives.
We use our own fork of libmpq: https://github.com/diasurgical/libmpq
Impact:
* DevilutionX is now a lot more portable. Unlike StormLib, libmpq only
needs platform-specific code for Windows.
* Locks around file access **removed** (instead we duplicate the file descriptor for streamed audio only).
* RAM usage is **300 KiB** lower than StormLib.
* Stripped release linux_x86_64 binary is **32 KiB** smaller.
* Amiga build now hangs instead of crashing.
Oleksandr Kalko
Gleb Mazovetskiy
Anders Jenbo
Yuvraj Tetarwal
staphen