message: Fix broken reference link in category.rs
diff: @@ -4,7 +4,7 @@ use super::page::Page;
  use serde::{Deserialize, Serialize};
  /// Category object
  ///
  -/// [Reference](https://developer.spotify.com/web-api/get-list-categories/#categoryobject)
  +/// [Reference](https://developer.spotify.com/documentation/web-api/reference/#endpoint-get-categories)
  #[derive(Clone, Debug, Serialize, Deserialize, PartialEq, Eq)]
  pub struct Category {
  pub href: String,
  @@ -15,7 +15,7 @@ pub struct Category {
  /// Categories wrapped by page object
  ///
  -/// [Reference](https://developer.spotify.com/web-api/get-list-categories/)
  +/// [Reference](https://developer.spotify.com/documentation/web-api/reference/#endpoint-get-categories)
  #[derive(Deserialize)]
  pub(in crate) struct PageCategory {
  pub categories: Page<Category>,
  