docs: alphabetize proxy parameters (#778)

Author: brendanjryan

src/pages/sdk/typescript/proxy.mdx

@@ -264,7 +264,7 @@ The proxy returns markdown instead of JSON when the request comes from a known A
 
 ## Parameters
 
-### `Proxy.create` config
+`Proxy.create` accepts these config fields:
 
 ### basePath (optional)