Efisher008 post workshop updates #2 (#558)

* Update 2024-Workshop page to past tense.md

* Add Zenodo link + remove unused hackathons.md

* Add CF workshop 2024 photos

* Add group photos to workshop page.md

* Add participants summary table by country

* Add attendee summary to 2024-Workshop.md

* Re-add NetCDF-Schema hackathon to 2024-Workshop.md

* Use responsive sizing on images

* Update 2024-Workshop.md

* Adding Ethan's Zarr/GeoZarr lightning talk to the agenda.

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Co-authored-by: Daniel Lee <[email protected]>

Meetings/2024-Workshop.md

@@ -18,8 +18,8 @@ During Part I, speakers were invited from a broad range of CF users and potentia
 The aim of the workshop was to maximise the usefulness of CF to a wide range of communities, encourage others to join and contribute to the CF community effort, and enhance interoperability with other widely used standards.
 The desired outcome following the workshop will be a publication of the proceedings, including a roadmap for development of the CF conventions and vocabularies over the next 1 to 5 years.
 
-![Group photo outside SMHI](../Data/media/images/CF2024_group2.JPG)
-![Group photo outside dinner venue](../Data/media/images/CF2024_group1.JPG)
+<img src=../Data/media/images/CF2024_group2.JPG alt="Group photo outside SMHI" width="70%" height="auto">
+<img src=../Data/media/images/CF2024_group1.JPG alt="Group photo outside dinner venue" width="70%" height="auto">
 
 ## Attendees
 
@@ -210,7 +210,8 @@ For the second part the agenda included a mixture of breakout group discussions
         &emsp;Chair: Ethan Davis&emsp;<br/>
         &emsp;<em>Keynote: Sebastién Villaume: Mapping between GRIB and CF-netCDF and ECMWF software development plans</em>&emsp;<br/>
         &emsp;<em>Keynote: Martina Stockhause: CF in the context of developments in the Research Data Alliance (RDA): RDA recommendations and CF opportunities</em>&emsp;<br/>
-        &emsp;<em>Lightning talk: Guillermo Tesoro Calvo: NetCDF-Schema: A general schema for defining and validating netCDF products</em>&emsp;
+        &emsp;<em>Lightning talk: Guillermo Tesoro Calvo: NetCDF-Schema: A general schema for defining and validating netCDF products</em>&emsp;<br/>
+        &emsp;<em>Lightning talk: Ethan Davis: Zarr and GeoZarr</em>&emsp;
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