update readme

lyc8503 · lyc8503 · commit ff7ea16deaff · 2022-12-08T14:45:48.000+08:00
diff --git a/README.md b/README.md
@@ -1,2 +1,12 @@
 # sing-box-rules
 sing-box Geoip 与 Geosite 增强版规则, 移植自 https://github.com/Loyalsoldier/v2ray-rules-dat
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+GitHub Actions 每日自动更新, 同步上游.
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+在 sing-box 配置文件配置如下的下载链接
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+https://github.com/lyc8503/sing-box-rules/releases/latest/download/geoip.db
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+https://github.com/lyc8503/sing-box-rules/releases/latest/download/geosite.db
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+具体的配置方法请参考 upstream 相关说明.
