Add StartOS 0.4.0 packaging

server/node_modules/is-network-error/index.d.ts

@@ -0,0 +1,26 @@
+/**
+Check if an error is a [Fetch network error](https://developer.mozilla.org/en-US/docs/Web/API/fetch#exceptions)
+
+@return Returns `true` if the given value is a Fetch network error, otherwise `false`.
+
+@example
+```
+import isNetworkError from 'is-network-error';
+
+async function getUnicorns() {
+	try {
+		const response = await fetch('unicorns.json');
+		return await response.json();
+	} catch (error) {
+		if (isNetworkError(error)) {
+			return localStorage.getItem('…');
+		}
+
+		throw error;
+	}
+}
+
+console.log(await getUnicorns());
+```
+*/
+export default function isNetworkError(value: unknown): value is TypeError;