feat(bus): add Io Struct

Also, add more information to all panic messages

src/scheduler.zig

@@ -29,7 +29,7 @@ pub const Scheduler = struct {
 
             switch (event.kind) {
                 .HeatDeath => {
-                    std.debug.panic("Somehow, a u64 overflowed", .{});
+                    std.debug.panic("[Scheduler] Somehow, a u64 overflowed", .{});
                 },
             }
         }