增加帮助中心，删除测试文件代码

http/api/system/help.js

@@ -0,0 +1,12 @@
+import http from "@/http/http.js";
+const request = http.request;
+const urlType = "system";
+export function getHelp(data) {
+	return request({
+		url: urlType + '/user/getHelp',
+		method: "GET",
+		data: {
+			...data,
+		},
+	});
+}