Fix links in book overview

Author: filiptibell

src/content/docs/the-book/1-hello-lune.md

@@ -8,14 +8,14 @@ If you've written Lua or Luau scripts before, you'll feel right at home with the
 
 The chapters in this book are organized to build on each other, starting with the basics, and gradually introducing more powerful features. Here's a quick overview:
 
-1. [Hello, Lune!](./1-hello-lune) _(you are here)_
-2. [The Standard Library](./2-standard-library)
-3. [Input & Output](./3-input-output)
-4. [Arguments](./4-arguments)
-5. [Networking](./5-networking)
-6. [Working with Files](./6-working-with-files)
-7. [Modules](./7-modules)
-8. [Spawning Programs](./8-spawning-programs)
-9. [Task Scheduler](./9-task-scheduler)
+1. [Hello, Lune!](/docs/the-book/1-hello-lune) _(you are here)_
+2. [The Standard Library](/docs/the-book/2-standard-library)
+3. [Input & Output](/docs/the-book/3-input-output)
+4. [Arguments](/docs/the-book/4-arguments)
+5. [Networking](/docs/the-book/5-networking)
+6. [Working with Files](/docs/the-book/6-working-with-files)
+7. [Modules](/docs/the-book/7-modules)
+8. [Spawning Programs](/docs/the-book/8-spawning-programs)
+9. [Task Scheduler](/docs/the-book/9-task-scheduler)
 
 By the end of this book, you'll understand how to use Lune for everything from simple automation scripts to complex networking applications. Let's get started!