Consolidating all the bind groups, because I only have four. Stuff shared between render passes will get isolated somehow, but it might be by binding one buffer to multiple render passes' bind group at zero rather than having more than one bind group.

webgpu_notes.txt

@@ -40,3 +40,5 @@ Textures were never resizable, you simply forgot
 
 Bind groups let you bind a bunch of resources at once
 Render bundles let you reissue commands
+
+You can only use up to FOUR bind groups on your laptop's device!