epm play: added q-spider (eterbug #18485)

play.d/q-spider.sh

+#!/bin/sh
+
+PKGNAME=q-spider
+SUPPORTEDARCHES="x86_64"
+VERSION="$2"
+DESCRIPTION='A player that allows you to run QSP games in your browser.'
+URL="https://github.com/QSPFoundation/qspider/releases"
+
+. $(dirname $0)/common.sh
+
+if [ "$VERSION" = "*" ] ; then
+    PKGURL=$(get_github_url "https://github.com/QSPFoundation/qspider/" "${PKGNAME}_${VERSION}_amd64.AppImage")
+else
+    PKGURL="https://github.com/QSPFoundation/qspider/releases/download/v$VERSION/${PKGNAME}_${VERSION}_amd64.AppImage"
+fi
+
+install_pkgurl