dev_1.0.0_xuxt_2 更新反向代理，打包镜像，以及README文档 (#28)

Co-authored-by: xiuting.xu <xiutingxt.xu@gmail.com>
Reviewed-on: #28
Reviewed-by: yuyr <yuyr@zgclab.edu.cn>
Reviewed-by: huhy <husteryezi@163.com>
Reviewed-by: sundapeng <sundp@mail.zgclab.edu.cn>

src/alert/alertmanager/build/build.sh

@@ -0,0 +1,13 @@
+#!/bin/bash
+set -euo pipefail
+docker pull ubuntu:24.04
+
+source src/alert/tests/.env
+
+docker build \
+  --build-arg ARGUS_UID=${ARGUS_UID} \
+  --build-arg ARGUS_GID=${ARGUS_GID} \
+  -f src/alert/alertmanager/build/Dockerfile \
+  -t argus-alertmanager:latest .
+
+docker save -o argus-alertmanager-latest.tar argus-alertmanager:latest