corr webdoc after move of offspec example

Tests/Examples/CMakeLists.txt

@@ -13,7 +13,7 @@ add_custom_target(figures) # generate high-resolution figures and store them in
 add_custom_target(manualtest)
 
 file(MAKE_DIRECTORY ${FIG_DIR})
-foreach(subdir scatter2d ff fq specular varia)
+foreach(subdir ff fq offspec scatter2d specular varia)
     file(MAKE_DIRECTORY ${TEST_OUTPUT_DIR_PY_PERSIST}/${subdir})
     file(MAKE_DIRECTORY ${FIG_DIR}/${subdir})
 endforeach()

hugo/content/ex/sim/offspec.md

@@ -21,7 +21,7 @@ The two-dimensional output intensity is plotted as a function of $\alpha\_i$ and
 
 {{< galleryscg >}}
 {{< figscg src="/img/draw/Offspec_Setup.jpg" width="350px" caption="Real-space model">}}
-{{< figscg src="/img/auto/varia/OffspecSimulation.png" width="350px" caption="Intensity image">}}
+{{< figscg src="/img/auto/offspec/Offspec1.png" width="350px" caption="Intensity image">}}
 {{< /galleryscg >}}
 
 {{< show-ex file="varia/OffspecSimulation.py" >}}