Changes

Moved navbox to a separate template
{{Navbox
| name = Building Railways
| title = [[Building Railways]]
| listclass = hlist
| state = {{{state|}}}
| group1 = Tools and Features
| list1 =
* [[Preferred Directions]]
* [[Setting Distances and Speeds]]
* [[Element Editing Tools]]
* [[Location Naming]]
* [[Connecting Gaps]]
* [[User Graphics]]
| group2 = Element Types
| list2 =
* [[Basic Track Elements]]
* [[Junctions]]
* [[Signals]]
* [[Continuations]]
* [[Level Crossings]]
* [[Stations and Locations]]
* [[Portals]]
}}