Simplify some of the rendering code in the index
Simplify some of the rendering code in the index

It's kinda silly using serde seq for fixed-length stuff.

graydon/rust,graydon/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,aidancully/rust,graydon/rust,graydon/rust