epm play: add Vesktop (eterbug #17255)

play.d/vesktop.sh

+#!/bin/sh
+
+PKGNAME=Vesktop
+SUPPORTEDARCHES="x86_64 aarch64"
+VERSION="$2"
+DESCRIPTION='A cross platform electron-based desktop app aiming to give you a snappier Discord experience with Vencord pre-installed'
+URL="https://github.com/Vencord/Vesktop"
+
+. $(dirname $0)/common.sh
+
+warn_version_is_not_supported
+
+case "$(epm print info -a)" in
+    x86_64)
+        arch="amd64" ;;
+    aarch64)
+        arch="arm64" ;;
+esac
+
+PKGURL="https://vencord.dev/download/vesktop/$arch/appimage"
+
+install_pkgurl
+