add hero & featured image

Logos from:
SciPy: https://github.com/scipy/scipy.org/blob/main/static/images/logo.svg
Meson: https://github.com/mesonbuild/meson/blob/master/graphics/meson_logo.svg
Fortran: https://github.com/fortran-lang/assets/blob/main/fortran-logo.svg
LLVM: https://llvm.org/img/LLVMWyvernBig.png

apps/labs/posts/building-scipy-with-flang.md

@@ -7,12 +7,12 @@ on Windows, which was particularly tricky to pull off for conda-forge. This
 blog tells the story about how things looked pretty grim for the Python 3.12
 release, and how things ended up worked out just in the nick of time.'
 category: [Developer workflows]
-#featuredImage:
-#  src: /posts/moving-scipy-to-meson/feature.png
-#  alt: "Cropped diagram of SciPy's external build and runtime dependencies."
-#hero:
-#  imageSrc: /posts/moving-scipy-to-meson/blog_hero_var2.svg
-#  imageAlt: 'An illustration of a brown hand holding up a microphone, with some graphical elements highlighting the top of the microphone.'
+featuredImage:
+  src: /posts/building-scipy-with-flang/scipy_indy.jpg
+  alt: 'An object-labelling meme showing Indiana Jones (labelled "SciPy") running away in a tight space from a rolling boulder labelled "distutils removal", while carrying something labelled "Fortran code".'
+hero:
+  imageSrc: /posts/building-scipy-with-flang/hero.png
+  imageAlt: ' collage of the logos of SciPy, Meson, Fortran & LLVM. Some graphical elements on a white background surround the illustration.'
 ---
 
 You've probably heard already that Python 3.12 was released recently.