fixed downloads

Author: dannycab

content/iop-book/chapter-1/chapter-1.md

@@ -10,10 +10,10 @@ url: /iop-book/chapter-1/
 
 ## Preprint of Chapter 1
 
-{{< embed-pdf url="./download/IOP-Comp-Book-CH01.pdf" hidePaginator="true" hideLoader="true">}}
+{{< embed-pdf url="https://github.com/dannycab/dannycab.github.io/raw/refs/heads/main/content/iop-book/chapter-1/download/IOP-Comp-Book-CH01.pdf" hidePaginator="true" hideLoader="true">}}
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 This is the preliminary draft of Chapter 1 of the [Computing in Physics Education book](../), focusing on integrating computing into physics courses. The book is currently in the editing process with the [Institute of Physics](https://iopscience.iop.org/) and will be finalized for publication later in 2025.
 
-📂 [Download Chapter 1 (PDF)](/iop-book/chapter-1/IOP-Comp-Book-CH01.pdf)
+📂 [Download Chapter 1 (PDF)](/iop-book/chapter-1/download/IOP-Comp-Book-CH01.pdf)