epm play: added libsciter-gtk.so for rustdesk (eterbug #17989)

pack.d/libsciter-gtk.sh

+#!/bin/sh
+
+TAR="$1"
+RETURNTARNAME="$2"
+VERSION="$3"
+
+. $(dirname $0)/common.sh
+
+PKGNAME=$PRODUCT-$VERSION
+
+mkdir -p usr/lib64/
+mv -v $TAR usr/lib64/
+
+erc pack $PKGNAME.tar usr
+
+return_tar $PKGNAME.tar

play.d/libsciter-gtk.sh

+#!/bin/sh
+
+PKGNAME=libsciter-gtk
+SUPPORTEDARCHES="x86_64 aarch64"
+VERSION="4.4.8.23"
+DESCRIPTION='Embeddable HTML/CSS/JavaScript engine for modern UI development'
+URL="https://github.com/c-smile/sciter-sdk"
+
+. $(dirname $0)/common.sh
+
+warn_version_is_not_supported
+
+case "$(epm print info -a)" in
+    x86_64)
+        arch="x64" ;;
+    aarch64)
+        arch="arm64" ;;
+esac
+
+PKGURL="https://raw.githubusercontent.com/c-smile/sciter-sdk/master/bin.lnx/$arch/libsciter-gtk.so"
+
+install_pack_pkgurl "$VERSION"

repack.d/libsciter-gtk.sh

+#!/bin/sh -x
+
+# It will be run with two args: buildroot spec
+BUILDROOT="$1"
+SPEC="$2"
+
+. $(dirname $0)/common.sh
+
+add_libs_requires