libraries: correct formating

Description

Corrects formatting of engine and aircraftGeometry2

docs/documentation/libraries/aircraftGeometry2/getting-started.md

@@ -13,7 +13,7 @@ The library is completely *test driven* so you can find most functionality in th
 The **CGAL** library is an external dependency we do not provide within the copy of **UNICADO**. So you need to make sure the library is installed and can be found by *CMake*. You can refer to the [→ Getting Started Guide](https://doc.cgal.org/latest/Manual/general_intro.html) of **CGAL** to find instructions for your machine.
 
 If you use the **MSYS2** environment as the **UNICADO** build setup requires, you can install **CGAL** with this command in your terminal:
-```sh
+```{ .sh .copy }
 pacman -S mingw-w64-ucrt-x86_64-cgal
 ```