add pdf

Author: zhuwq0

docs/machine_learning.md

@@ -1,9 +1,7 @@
-<div style="position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden; max-width: 100%;">
-  <iframe 
-    src="https://caltech-my.sharepoint.com/personal/eyu_caltech_edu/_layouts/15/Doc.aspx?sourcedoc={9a174230-5479-42f5-a833-d4e1e145f86a}&amp;action=embedview&amp;wdAr=1.7777777777777777"
-    style="position: absolute; top: 0; left: 0; width: 100%; height: 100%;" 
-    frameborder="0">
-    This is an embedded <a target="_blank" href="https://office.com">Microsoft Office</a> presentation, powered by <a target="_blank" href="https://office.com/webapps">Office</a>.
-  </iframe>
-</div>
+<iframe src="SSA25_catalog_workshop_machine_learning.pdf" width="100%" height="600px" style="border:1px solid #ccc;" id="pdf-frame"></iframe>
 
+<p style="text-align: right;">
+  <a href="SSA25_catalog_workshop_machine_learning.pdf" target="_blank" rel="noopener" style="font-weight: bold;">
+    Fullscreen
+  </a>
+</p>