add a todo note for image processing

- it could be handled as a new step in the site generator where we encode PNGs into AVIF

site_src/content/projects/psifrost.md

@@ -9,6 +9,7 @@
 <!-- TODO: make this flex or somethin cos it looks bad on mobile! -->
 <iframe style="height: 571px;" class="project-bandcamp-embed" src="https://bandcamp.com/EmbeddedPlayer/album=623111333/size=large/bgcol=ffffff/linkcol=b90b4a/transparent=true/" seamless><a href="https://leafcodes.bandcamp.com/album/psifr-ost">PsiFr[OST] by leafcodes</a></iframe>
 
+<!-- TODO: image processing - these PNGs take forever to load - AVIF version that links to the full PNG perhaps? -->
 <img width="460px" class="project-image" src="/images/psifrost-1.png">
 
 I made PsiFrost with a group of friends for [Rainbow Jam 2021](https://itch.io/jam/rainbowjam21)!