add link to legacy ARTIQ docs

content/experiment-control/resources.md

@@ -28,6 +28,13 @@ template = "page.html"
 <a href="https://m-labs.hk/artiq/manual-beta.pdf" target="_blank">PDF</a> | <a href="https://m-labs.hk/artiq/manual-beta/" target="_blank" rel="noopener noreferrer">HTML</a>
 {% end %}
 
+{% layout_card(title="ARTIQ manual", sameheight=100) %}
+<small>Legacy version</small>
+
+<a href="https://m-labs.hk/artiq/manual-legacy.pdf" target="_blank">PDF</a> | <a href="https://m-labs.hk/artiq/manual-legacy/" target="_blank" rel="noopener noreferrer">HTML</a>
+{% end %}
+
+
 
 {% layout_card(title="Slideshow", sameheight=100) %}
 <small>The ARTIQ experiment control system</small>