feat: group board filters in a menu

internal/app/server.go

@@ -107,6 +107,7 @@ type BoardFilter struct {
 	AssigneeID int64
 	Priority   string
 	Active     bool
+	Count      int
 }
 
 type ReportTotals struct {
@@ -786,6 +787,15 @@ func (s *Server) boardPage(w http.ResponseWriter, r *http.Request) {
 	if !validBoardPriority(filter.Priority) {
 		filter.Priority = ""
 	}
+	if filter.TagID > 0 {
+		filter.Count++
+	}
+	if filter.AssigneeID > 0 {
+		filter.Count++
+	}
+	if filter.Priority != "" {
+		filter.Count++
+	}
 	filter.Active = filter.TagID > 0 || filter.AssigneeID > 0 || filter.Priority != ""
 	if filter.Active {
 		filtered := make([]BoardTask, 0, len(tasks))