perf: 增加系统设置，可以关闭自助注册功能

packages/ui/certd-client/src/api/modules/api.basic.ts

@@ -0,0 +1,13 @@
+import { request } from "../service";
+
+export type SysPublicSetting = {
+  registerEnabled:boolean
+}
+
+
+export async function getSysPublicSettings(): Promise<SysPublicSetting> {
+  return await request({
+    url: "/basic/settings/public",
+    method: "get"
+  });
+}