add missing empty lines around list

Signed-off-by: Jannis Mainczyk <jannis.mainczyk@iis.fraunhofer.de>

docs/web/docs/Tutorials/OSMWebWizard.md

@@ -53,7 +53,9 @@ area. Once you are satisfied with the area selection, you can proceed to
 the next step.
 
 # Network Generation
+
 The infrastructure import from OSM into the SUMO simulation are affected by different Wizard options
+
 * by default a road traffic simulation is generated but all types of roads and rails will be imported as well (cycle paths, footpaths, railways etc)
 * if the checkbox "left-hand Traffic" is enabled, the network will be built with left hand traffic rules. For most geographic regions where this is required, this feature will be enabled automatically but if it does not work, this option can be used as a remedy.
 * if the checkbox "Car-only Network" is enabled, then only roads that permit passenger car traffic will be included. This can be used to reduce the network size and also helps to reduce intersection complexity
@@ -131,4 +133,4 @@ data. The contents of the directory look like this:
 
 You may now edit those files and re-run the simulation. To learn more
 about the SUMO scenario files, please consult the other
-[Tutorials](../Tutorials.md) as well.
+[Tutorials](../Tutorials.md) as well.