epm play: add Heroic Games Launcher (eterbug #17510)

play.d/heroic-games-launcher.sh

+#!/bin/sh
+
+PKGNAME=Heroic
+SUPPORTEDARCHES="x86_64"
+VERSION="$2"
+DESCRIPTION='Is an Open Source Game Launcher for Linux. It supports launching games from the Epic Games Store, GOG Games and Amazon Games'
+URL="https://github.com/Heroic-Games-Launcher/HeroicGamesLauncher"
+
+. $(dirname $0)/common.sh
+
+if [ "$VERSION" = "*" ] ; then
+    PKGURL=$(get_github_version "https://github.com/Heroic-Games-Launcher/HeroicGamesLauncher/" "${PKGNAME}-.${VERSION}.AppImage")
+else
+    PKGURL="https://github.com/Heroic-Games-Launcher/HeroicGamesLauncher/releases/download/v$VERSION/${PKGNAME}-${VERSION}.AppImage"
+fi
+
+install_pkgurl