docs(use-submit): explicit encType (#10643)

Author: arjunyel

contributors.yml

@@ -16,6 +16,7 @@
 - andreiduca
 - antonmontrezor
 - appden
+- arjunyel
 - arnassavickas
 - aroyan
 - avipatel97

docs/hooks/use-submit.md

@@ -99,7 +99,7 @@ submit([
 The default behavior if you submit a JSON object is to encode the data into `FormData`:
 
 ```tsx
-submit({ key: "value" });
+submit({ key: "value", { encType: "application/x-www-form-urlencoded" });
 // will serialize into request.formData() in your action
 ```