chore: Update README video (#2398)

* fix: readme video

* seems github only accepts webp

this platform is just awesome

* Update pumpkin_chunk_loading.webp

README.md

@@ -12,9 +12,7 @@
 and customizable experience. It prioritizes performance and player enjoyment while adhering to the core mechanics of the game.
 <div align="center">
 
-<video src="/assets/pumpkin_chunk_loading.webm" autoplay loop muted playsinline>
-  Your browser does not support the video tag.
-</video>
+![Pumpkin Chunk Loading](./assets/pumpkin_chunk_loading.webp)
 
 </div>