fix: add data-monster-head as id

hashes.nix

 {
-    hashValue = "sha256-FxDNgeg6Ft3jvtJBojhqYbohGDZCY6TNAhpY/j41OVQ=";
+    hashValue = "sha256-M4pZBhlt0CrRgAf9DxRUVNmA2sYxDYIccreOQy7qmrk=";
 }

source/template/prepare.go

@@ -454,7 +454,7 @@ func checkMonsterDatatableHead(n *html.Node, storage *types.PageData) {
 		id := util.GetAttribute(div.Attr, constants.DataBobReferenceAttributeKey)
 		if id == "" {
 
-			headID := util.BuildTextKey(head)
+			headID, _ := util.BuildTextKey(head)
 			if headID == "" {
 				id = util.GetNextId()
 			} else {