update the name of ch6.1

Author: ishtms

Readme.md

@@ -161,7 +161,7 @@ The repo for our backend framework- [Velocy](https://github.com/ishtms/velocy)
         - [Starting our web server](/chapters/ch06.0-http-deep-dive.md#starting-our-web-server)
         - [Testing our web server](/chapters/ch06.0-http-deep-dive.md#testing-our-web-server)
         - [Testing with `cURL`](/chapters/ch06.0-http-deep-dive.md#testing-with-curl)
-- [HTTP Verbs](/chapters/ch06.1-http-verbs.md)
+- [HTTP Verbs, Versioning and the benefits of `HTTP/1.1`](/chapters/ch06.1-http-verbs-versioning-http1_1.md)
     - [`GET` - Retrieve data](/chapters/ch06.1-http-verbs.md#get---retrieve-data)
     - [`POST` - Create something](/chapters/ch06.1-http-verbs.md#post---create-something)
     - [`PUT` - Replace or create](/chapters/ch06.1-http-verbs.md#put---replace-or-create)