Table improvements, add modals

frontend/src/api/npm/getUpstreamNginxConfig.ts

@@ -0,0 +1,12 @@
+import * as api from "./base";
+
+export async function getUpstreamNginxConfig(
+	id: number,
+	params = {},
+): Promise<string> {
+	const { result } = await api.get({
+		url: `/upstreams/${id}/nginx-config`,
+		params,
+	});
+	return result;
+}