sfml: add msys2_references + changelog URL

mingw-w64-sfml/PKGBUILD

@@ -10,6 +10,12 @@ pkgdesc="A simple, fast, cross-platform, and object-oriented multimedia API (min
 arch=('any')
 mingw_arch=('mingw32' 'mingw64' 'ucrt64' 'clang64' 'clangarm64')
 url="https://www.sfml-dev.org/"
+msys2_changelog_url='https://github.com/SFML/SFML/blob/master/changelog.md'
+msys2_references=(
+  'anitya: 12315'
+  'archlinux: sfml'
+  'gentoo: media-libs/libsfml'
+)
 license=('spdx:Zlib')
 replaces=("${MINGW_PACKAGE_PREFIX}-${_realname}-git")
 depends=("${MINGW_PACKAGE_PREFIX}-flac"