add dom.extras lib

Author: nathanwhit

internal/tsoptions/enummaps.go

@@ -130,6 +130,7 @@ var LibMap = collections.NewOrderedMapFromList([]collections.MapEntry[string, an
 	{Key: "deno.webgpu", Value: "lib.deno.webgpu.d.ts"},
 	{Key: "deno.shared_globals", Value: "lib.deno.shared_globals.d.ts"},
 	{Key: "deno.unstable", Value: "lib.deno.unstable.d.ts"},
+	{Key: "dom.extras", Value: "lib.dom.extras.d.ts"},
 })
 
 var (