add glycerine

source/get-started/explainers/using_iiif_resources.md

@@ -159,10 +159,20 @@ Similar to Mirador, Diva.js makes the IIIF Manifest available through the metada
 <iframe class="video" src="https://www.youtube-nocookie.com/embed/gImYrRvW7DA" allow="encrypted-media" allowfullscreen></iframe>
 </div>    
 
+### Glycerine Viewer
+Initially designed for the (Glycerine)[https://glycerine.io/] suite (Workbench, Viewer, Image Server) to support sophisticated annotation features, (Glycerine Viewer)[https://github.com/Systemik-Solutions/glycerine-viewer] has been released as an open source IIIF viewer to support IIIF manifests and compliant annotations built with other tools.  Developed with a contemporary Vue 3 framework, Glycerine Viewer has an elegant interface, supports the IIIF Presentation API and provides the most comprehensive annotation feature set of any IIIF Viewer.
+
+**Export:**
+Select the (i) icon in the top left of the screen to copy the IIIF Manifest
+
+<div class="video-container">
+<iframe class="video" src="https://www.youtube-nocookie.com/embed/RoX7TMxqgLM" allow="encrypted-media" allowfullscreen></iframe>
+</div>    
+
 **Import:**
-The demo instance of Diva.js available below helpfully provides a text box where you can paste a URL to a IIIF Manifest. Once you have the URL in the box click ‘Load IIIF Manifest’ to see it in Diva. Demo site:
+Go to our Try Glycerine Viewer page: (https://glycerine.io/try-viewer/)[https://glycerine.io/try-viewer/]
 
-[https://ddmal.music.mcgill.ca/diva.js/try/iiif-external.html](https://ddmal.music.mcgill.ca/diva.js/try/iiif-external.html)
+Simply drag and drop the IIIF logo on to the Viewer.
 
 ## Quick links