chore(reading): update folder name + title for consistency

src/pages/media/reading/index.html

@@ -1,5 +1,5 @@
 ---
-title: Books
+title: Reading
 description: Here's what I'm reading at the moment.
 permalink: "/reading/index.html"
 schema: books
@@ -8,7 +8,7 @@ updated: "now"
 {%- assign currentYear = 'now' | date: "%Y" -%}
 {%- assign bookData = books.all | filterBooksByStatus: 'started' | reverse -%}
 {%- assign currentBookCount = books.currentYear | size -%}
-<h2 class="page-title">Currently reading</h2>
+<h2 class="page-title">Reading</h2>
 <p>Here's what I'm reading at the moment. I've finished <mark>{{ currentBookCount }} books</mark> this year. I've read <mark>{{ books.daysRead }}</mark> days in a row and counting.</p>
 {% render "blocks/top-tags.liquid"
   label:"Top genres"