Add name path parameter to PUT

...to avoid future clash for batch `PUT` support.

Author: masih

routing/DELEGATED_NAMING_HTTP.md

@@ -120,7 +120,11 @@ The response body contains the [IPNS record](#ipns-record).
 }
 ```
 
-### `PUT /naming/v1/records`
+### `PUT /naming/v1/records/{ipns-name}`
+
+**Path Parameters**
+
+- `ipns-name` the IPNS name to publish. The name must match `Value` in request body.
 
 **Request Body**