Add preliminary ebuild for beszel-agent-0.18.3

Signed-off-by: Manuel Friedli <manuel@fritteli.ch>

app-metrics/beszel-agent/beszel-agent-0.18.3.ebuild

@@ -0,0 +1,33 @@
+# Copyright 2022-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit go-module systemd toolchain-funcs
+
+MY_P="beszel-${PV}"
+DESCRIPTION="Beszel Agent - Simple, lightweight server monitoring"
+HOMEPAGE="https://www.beszel.dev/"
+SRC_URI="https://github.com/henrygd/beszel/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz
+	https://gentoo-overlay.friedli.info/${MY_P}-vendor.tar.xz"
+
+S="${WORKDIR}/${MY_P}"
+
+LICENSE="AGPL-3+"
+# Go dependency licenses
+LICENSE+=" AGPL-3 Apache-2.0 BSD GPL-3+ ISC MIT MPL-2.0 public-domain"
+SLOT="0"
+KEYWORDS="~amd64"
+
+DEPEND="acct-user/beszel-agent
+	acct-group/beszel"
+
+src_compile() {
+	# emake build-agent
+	cd internal/cmd/agent
+	ego build -ldflags "-w -s"
+}
+
+src_install() {
+	newbin "${S}"/internal/cmd/agent/agent beszel-agent
+}