add server_info cpus net_info api

Signed-off-by: mujunxiang <1948535941@qq.com>

madmin/src/net/mod.rs

@@ -0,0 +1,13 @@
+use serde::{Deserialize, Serialize};
+
+use crate::health::NodeCommon;
+
+pub mod net_linux;
+
+#[derive(Debug, Default, Serialize, Deserialize)]
+pub struct NetInfo {
+    node_common: NodeCommon,
+    interface: String,
+    driver: String,
+    firmware_version: String,
+}