epm play: add madcad (eterbug #17374)

play.d/madcad.sh

+#!/bin/sh
+
+PKGNAME=uimadcad
+SUPPORTEDARCHES="x86_64 x86"
+VERSION="$2"
+DESCRIPTION='uimadcad is a GUI (Graphical User Interface) meant to ease the use of pymadcad'
+URL="https://madcad.netlify.app/uimadcad"
+
+. $(dirname $0)/common.sh
+
+warn_version_is_not_supported
+
+case "$(epm print info -a)" in
+    x86)
+        arch="i686" ;;
+    x86_64)
+        arch="amd64" ;;
+esac
+
+PKGURL=$(eget --list --latest "https://madcad.netlify.app/uimadcad" "uimadcad*$arch.deb")
+
+install_pkgurl