Merge pull request #8 from managed-components/document-manager-fetch

Document manager.fetch

Author: jonnyparris

specs/server-functionality/fetch.md

@@ -0,0 +1,20 @@
+# `fetch`
+
+Perform an HTTP request server-side. It follows the [DOM
+`fetch`](https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch)
+argument structure.
+
+## Examples
+
+```js
+// a simple GET request
+const response = await manager.fetch('https://api.example.com/api');
+const result = await response.json();
+```
+
+```js
+await manager.fetch("https://api.example.com/api", {
+  method: "POST",
+  body: JSON.stringify({ data: "my data" }),
+});
+```