Support text conversion with RemoteData

.changeset/young-taxis-stare.md

@@ -0,0 +1,5 @@
+---
+"ember-resources": minor
+---
+
+RemoteData now checks the response's Content-Type header to decide whether to convert to JSON or Text

ember-resources/src/util/remote-data.ts

@@ -125,7 +125,11 @@ export function remoteData<T = unknown>(
       .then((response) => {
         state.status = response.status;
 
-        return response.json();
+        if (response.headers.get('Content-Type')?.includes('json')) {
+          return response.json();
+        }
+
+        return response.text();
       })
       .then((data) => {
         state.isResolved = true;