diff --git a/docs/events/2026-04-28/.gitattributes b/docs/events/2026-04-28/.gitattributes
new file mode 100644
index 0000000000..76dd2487b7
--- /dev/null
+++ b/docs/events/2026-04-28/.gitattributes
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+GIT_for_advanced_3.pdf filter=lfs diff=lfs merge=lfs -text
+GIT_for_beginners_2.pdf filter=lfs diff=lfs merge=lfs -text
+GIT_for_newbies.pdf filter=lfs diff=lfs merge=lfs -text
+GIT_CI_CD_4.pdf filter=lfs diff=lfs merge=lfs -text
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index a280679b64..2003e0735b 100644
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+++ b/docs/events/2026-04-28/Git-course.md
@@ -90,3 +90,23 @@ Slides:
         <button class="next-btn">Next</button>
     </div>
 </div>
+
+<div class="pdf-viewer-container" data-url="../GIT_CI_CD_4.pdf">
+    <div class="pdf-viewer-header">
+        <span class="document-label">Document Viewer</span>
+        <a href="../GIT_for_advanced_3.pdf" download target="_blank" class="download-btn">
+            ⬇ Download PDF
+        </a>
+    </div>
+
+    <div class="pdf-viewer-content">
+        <canvas></canvas>
+        <div class="pdf-viewer-loading">Loading...</div>
+    </div>
+
+    <div class="pdf-viewer-controls">
+        <button class="prev-btn">Previous</button>
+        <span class="page-info">Page <span class="page-num">--</span> of <span class="page-count">--</span></span>
+        <button class="next-btn">Next</button>
+    </div>
+</div>