Add youtube link to my OHBM 2024 talk and downsample image

Author: anniegbryant

_data/publist.yml

@@ -9,6 +9,7 @@
     year: 2024
   highlight: 1
   news2:
+  video: https://www.youtube.com/watch?v=-rmIDhWAxSI&ab_channel=OrganizationforHumanBrainMapping
 
 - title: Tracking the Distance to Criticality in Systems with Unknown Noise.
   image: HarrisCriticality.png