Add subsections for drawing points and challenge tasks in sketch layer

Author: jairomelo

01_make_map.qmd

@@ -214,6 +214,8 @@ After adding the sketch layer to your workspace, a new menu will appear in the r
 
 ![](images/Workshop1/Step3/drawing-sketch-bar-menu.png){width="40%" fig-align="center"}
 
+### Drawing points in a sketch layer
+
 - Draw points where you were in a (near-)accident on a bike path, either as bicyclist of pedestrian.
 
 Zoom in to the location and add a point with the point drawing tool. You can customize the symbol, size, and color of the point in the sketch layer menu before adding it to the map. Put as many points as you like.
@@ -225,6 +227,8 @@ In our example, we add the following settings to the point symbol:
 
 ![](images/Workshop1/Step3/drawing-point-vector.png){width="90%" fig-align="center"}
 
+### Challenge: Drawing lines and circles in a sketch layer
+
 - Draw a line where you think there should be a bike path but isn't.
 
 From the sketch layer menu, select the line drawing tool. Click on the map to start drawing the line, and click again to add vertices. Double-click to finish the line.