epm play: add alien install (use when your system miss it)

play.d/alien.sh

+#!/bin/sh
+
+PKGNAME=alien
+SUPPORTEDARCHES=""
+VERSION="$2"
+DESCRIPTION="Alien converting tool (use it if your repo has no alien)"
+# disabled: useless
+DESCRIPTION=''
+
+. $(dirname $0)/common.sh
+
+pkgtype=$(epm print info -p)
+case $pkgtype in
+    rpm)
+        # eget --list https://packages.altlinux.org/ru/p10/srpms/alien/rpms/*.noarch.rpm
+        PKGURL="ipfs://QmXWpF7zgpWdXQiEMFAdVMCerxG7xMkSMXMjCostsejhA5?filename=alien-8.95-alt9.noarch.rpm"
+        ;;
+    deb)
+        # https://packages.debian.org/buster/all/alien/download
+        PKGURL="ipfs://QmNeGAcYGWmbZzrEpS4B4XGCbTvc3zknWvW37PJBsDLYQS?filename=alien_8.95_all.deb"
+        ;;
+esac
+
+epm install --norepack $PKGURL