add more options to tile_layer

src/layer.mli

@@ -75,6 +75,19 @@ type tile_layer_opt =
   | Detect_retina of bool
   | Cross_origin of bool
   | Referrer_policy of bool
+  | Tile_size of Point.t
+  | Opacity of float
+  | Update_when_idle of bool
+  | Update_when_zooming of bool
+  | Update_interval of int
+  | Z_index of int
+  | Bounds of (* LatLngBounds *) Latlng.t * Latlng.t
+  | Max_native_zoom of int
+  | Min_native_zoom of int
+  | No_wrap of bool
+  | Pane of string
+  | Class_name of string
+  | Keep_buffer of int
 
 (** [create_tile url attribution opts] create a new tile layer *)
 val create_tile :