new example integrated in webdoc; split ref | ex

hugo/content/ex/sim/depthprobe/_index.md

++++
+title = "Depth probe"
+weight = 0
++++
+
+## Depth probe examples
+
+Intensity as function of incident angle $\alpha_\text{i}$ and depth $z$.
+
+Class reference:
+- [DepthProbe](/ref/sim/class/depthprobe)
+
+Examples
+- [Basic example: thin film on substrate](/ex/sim/depthprobe/depthprobe1)
+- [Resonator](/ex/sim/depthprobe/resonator)

hugo/content/ex/sim/depthprobe/depthprobe1.md

++++
+title = "Thin film"
+weight = 10
++++
+
+## Intensity distribution in a thin-film sample.
+
+We consider a thin film on a substrate.
+
+We compute the neutron intensity
+as function of depth and incident angle $\alpha_i$.
+
+{{< figscg src="/img/auto/varia/Depthprobe1.png" width="500" class="center">}}
+
+{{< highlightfile file="Examples/varia/Depthprobe1.py" >}}

hugo/content/ex/sim/depthprobe/resonator.md

++++
+title = "Resonator"
+weight = 80
++++
+
+## Intensity distribution in neutron resonator
+
+We consider a neutron resonator, composed of one Ti/Pt bilayer.
+
+{{< figscg src="/img/draw/ResonatorSample.png" width="500" class="center">}}
+
+The beam comes from the Si side.
+By convention the beam always comes ''from above''.
+Accordingly, we consider Si the ''ambient'' material, placed ''on top'' of the sample.
+
+As a result, we obtain the neutron intensity
+as function of depth and incident angle $\alpha_i$.
+
+{{< figscg src="/img/auto/varia/Resonator.png" width="500" class="center">}}
+
+{{< highlightfile file="Examples/varia/Resonator.py" >}}

hugo/content/ref/sim/class/depthprobe/index.md

@@ -28,19 +28,6 @@ For optional settings, see [simulation options](/ref/sim/setup/options).
 For the return type of function `simulate()`,
 see [SimulationResult](/ref/sim/simulation-result).
 
-### Example
-
-We consider a neutron resonator, composed of one Ti/Pt bilayer.
-
-{{< figscg src="/img/draw/ResonatorSample.png" width="500" class="center">}}
-
-The beam comes from the Si side.
-By convention the beam always comes ''from above''.
-Accordingly, we consider Si the ''ambient'' material, placed ''on top'' of the sample.
-
-As a result, we obtain the neutron intensity
-as function of depth and incident angle $\alpha_i$.
-
-{{< figscg src="/img/auto/varia/Resonator.png" width="500" class="center">}}
-
-{{< highlightfile file="Examples/varia/Resonator.py" >}}
+Examples:
+- [Basic example: thin film on substrate](/ex/sim/depthprobe/depthprobe1)
+- [Resonator](/ex/sim/depthprobe/resonator)