Merge pull request #33 from HarrisonKramer/feat/example_gallery_update

Feat/example gallery update

Author: HarrisonKramer

database/catalog_nk.csv

@@ -12,7 +12,11 @@ These lenses demonstrate how simple lens systems can be built using Optiland.
 .. nbgallery::
    basic_lenses/singlet
    basic_lenses/doublet
+   basic_lenses/triplet
    basic_lenses/Cooke_Triplet
-   basic_lenses/aspheric_singlet
    basic_lenses/eyepiece
    basic_lenses/telephoto
+   basic_lenses/petzval
+   basic_lenses/heliar
+   basic_lenses/tessar
+   basic_lenses/aspheric_singlet

docs/gallery/basic_lenses.rst

@@ -9,3 +9,4 @@ This section demonstrates the capabilities of the Optiland library for designing
 
     freeform/chebyshev
     freeform/polynomial
+    freeform/off_axis_parabola

docs/gallery/basic_lenses/heliar.ipynb

@@ -11,3 +11,4 @@ These examples demonstrate the construction of reflective optical systems using
     reflective/compact_telescope
     reflective/Cassegrain
     reflective/starlight
+    reflective/off_axis_parabola