qt5-qtwebsockets: temporarily copy from Alpine

Until their build-edge-aarch64 isn't stuck anymore.

temp/qt5-qtwebsockets/APKBUILD

@@ -0,0 +1,45 @@
+# Copied from Alpine because their build-edge-aarch64 is stuck
+pkgname=qt5-qtwebsockets
+_pkgname=qtwebsockets-everywhere-src
+pkgver=5.10.1
+_ver=${pkgver/_p/-}
+_ver=${_ver/_/-}
+_ver=${_ver/beta0/beta}
+_ver=${_ver/rc0/rc}
+_V=${_ver/rc/RC}
+pkgrel=1
+pkgdesc="Provides WebSocket communication compliant with RFC 6455"
+url="http://qt-project.org/"
+arch="all"
+license="GPL-3.0"
+makedepends="qt5-qtbase-dev"
+subpackages="$pkgname-dev"
+replaces="qt5-websockets"
+
+case $pkgver in
+*_beta*|*_rc*) _rel=development_releases;;
+*) _rel=official_releases;;
+esac
+options="!check"
+source="http://download.qt.io/official_releases/qt/${pkgver%.*}/$_ver/submodules/$_pkgname-$_ver.tar.xz"
+
+builddir="$srcdir"/$_pkgname-${_V%-*}
+
+prepare() {
+	default_prepare
+	cd "$builddir"
+	mkdir -p build
+}
+
+build() {
+	cd "$builddir"/build
+	qmake-qt5 ..
+	make
+}
+
+package() {
+	cd "$builddir"/build
+	make INSTALL_ROOT="$pkgdir" install
+}
+
+sha512sums="c5ab093ec4e93a94f646adff1ff6ef3eeb70fe302be04ddb694a5f7781c5d68777d75a3e831128a23d852522a6a0ca4e54a6bc67d10fb6e395632df4e7e71596  qtwebsockets-everywhere-src-5.10.1.tar.xz"