fix: use lfs for jpeg format images

.gitattributes

@@ -24,6 +24,7 @@
 # Images
 *.png filter=lfs diff=lfs merge=lfs -text
 *.jpg filter=lfs diff=lfs merge=lfs -text
+*.jpeg filter=lfs diff=lfs merge=lfs -text
 *.webp filter=lfs diff=lfs merge=lfs -text
 
 

src/slides/compsoc/6_minecraft-onboarding.md

@@ -10,7 +10,7 @@ slides = true
 
 we got a quite a bit of server power here at Skynet
 
-<img src="6_minecraft-onboarding/skynet-server.jpeg" alt="Computer Society definitely not evil servers" width="120px" height="160px"></img>
+<img src="6_minecraft-onboarding/skynet-server.jpg" alt="Computer Society definitely not evil servers" width="120px" height="160px"></img>
 ### so we decided to use some of that for evil (Minecraft servers)*
 <p style="font-size: 10px"> *we are not liable for failing stuff bc you stayed up until 4am to finish building your castle </p>