💬 add JSTOR link to Images Collection

Author: t4k

images/index.html

@@ -165,6 +165,7 @@ <h1><a href="https://collections.archives.caltech.edu/repositories/2/resources/2
       and personal use by permission. Please email us at <a
       href="mailto:[email protected]">[email protected]</a> with
       requests.</p>
+      <p>The Caltech Images Collection is also available to search and browse on <a href="https://www.jstor.org/site/california-institute-of-technology/image-archive/" aria-label="Caltech Images Collection on JSTOR">JSTOR</a>.</p>
       <ul>
         <li>
           <img src="https://img.archives.caltech.edu/iiif/2/collections/Photographs/FA-PR-0104/FA-PR-0104/full/200,/0/default.webp" alt="" aria-hidden="true">