adds chapter 6.1 the router - partially complete

Readme.md

@@ -230,5 +230,9 @@ The repo for our backend framework- [Velocy](https://github.com/ishtms/velocy)
       - [Websockets](/chapters/ch06.0-velocy-our-backend-framework.md#some-other-features-that-we-will-be-implementing)
       - [Logging](/chapters/ch06.0-velocy-our-backend-framework.md#some-other-features-that-we-will-be-implementing)
       - [Monitoring](/chapters/ch06.0-velocy-our-backend-framework.md#some-other-features-that-we-will-be-implementing)
-
+- [Building the Foundation - The `Router` Class](/chapters/ch06.1-the-router.md)
+  - [A Toy Router](/chapters/ch06.1-the-router.md#a-toy-router)
+  - [Chunks, oh no!](/chapters/ch06.1-the-router.md#chunks-oh-no)
+  - [Specifying `Content-Length`](/chapters/ch06.1-the-router.md#specifying-content-length)
+  - [Code reusability](/chapters/ch06.1-the-router.md#code-reusability)
 ![](https://uddrapi.com/api/img?page=readme)

chapters/ch06.0-velocy-our-backend-framework.md

@@ -178,6 +178,6 @@ API rate limiting is a way to control how often clients, like apps or users, can
 
 We will begin building our backend library/framework in the upcoming chapters. However, before doing so, we need to have a strong understanding of HTTP. Let's tackle that first in the next chapter.
 
-[![Read Next](/assets/imgs/next.png)](/chapters/ch05.0-http-deep-dive.md)
+[![Read Next](/assets/imgs/next.png)](/chapters/ch06.1-the-router.md)
 
 ![](https://uddrapi.com/api/img?page=Velocy_5.0)