update res.end (#1719)

* fix: update res.end documentation to include callback parameter

* fix: remove unnecessary semicolons in res.end examples

close #1708

---------

Co-authored-by: Ashu Yadav <90438479+AshuYadavYT@users.noreply.github.com>

_includes/api/en/4x/res-end.md

@@ -1,6 +1,6 @@
-<h3 id='res.end'>res.end([data] [, encoding])</h3>
+<h3 id='res.end'>res.end([data[, encoding]][, callback])</h3>
 
-Ends the response process. This method actually comes from Node core, specifically the [response.end() method of  http.ServerResponse](https://nodejs.org/api/http.html#http_response_end_data_encoding_callback).
+Ends the response process. This method actually comes from Node core, specifically the [response.end() method of http.ServerResponse](https://nodejs.org/api/http.html#responseenddata-encoding-callback).
 
 Use to quickly end the response without any data. If you need to respond with data, instead use methods such as [res.send()](#res.send) and [res.json()](#res.json).
 

_includes/api/en/5x/res-end.md

@@ -1,6 +1,6 @@
-<h3 id='res.end'>res.end([data] [, encoding])</h3>
+<h3 id='res.end'>res.end([data[, encoding]][, callback])</h3>
 
-Ends the response process. This method actually comes from Node core, specifically the [response.end() method of  http.ServerResponse](https://nodejs.org/api/http.html#http_response_end_data_encoding_callback).
+Ends the response process. This method actually comes from Node core, specifically the [response.end() method of http.ServerResponse](https://nodejs.org/api/http.html#responseenddata-encoding-callback).
 
 Use to quickly end the response without any data. If you need to respond with data, instead use methods such as [res.send()](#res.send) and [res.json()](#res.json).