Add tiles management

tiles/routes.go

@@ -0,0 +1,21 @@
+package tiles
+
+import (
+	"time"
+
+	"github.com/paulmach/orb/geojson"
+)
+
+type TiledRouteType int
+
+const (
+	TiledRouteRegular TiledRouteType = iota
+	TiledRoutePunctual
+)
+
+type TiledRoute struct {
+	ID            string
+	Type          TiledRouteType
+	Route         *geojson.FeatureCollection
+	DepartureDate time.Time
+}