Add a new panel about sparse arrays

Author: FrancescAlted

doc/conf.py

@@ -27,16 +27,16 @@
     "css/custom.css",
 ]
 html_logo = "_static/blosc-logo_256.png"
-html_favicon = "_static/blosc-logo_128.png"
+# Just use the favicon from the parent project
+# html_favicon = "_static/blosc-logo_128.png"
 html_theme_options = {
     "logo": {
         "link": "/index",
         "alt_text": "Blosc",
     },
     "external_links": [
         {"name": "C-Blosc2", "url": "/c-blosc2/c-blosc2.html"},
-        {"name": "Python-Blosc", "url": "/python-blosc/python-blosc.html"},
-        {"name": "Blosc In Depth", "url": "/pages/blosc-in-depth/"},
+        {"name": "Python-Blosc2", "url": "/python-blosc/python-blosc2/"},
         {"name": "Donate to Blosc", "url": "/pages/donate/"},
     ],
     "github_url": "https://github.com/Blosc/python-blosc2",

doc/python-blosc2.rst

@@ -46,7 +46,7 @@
 
     ---
 
-    **Streamlined format**
+    **Uncomplicated format**
 
     `Blosc2's format <https://github.com/Blosc/c-blosc2/blob/main/README_FORMAT.rst>`_, with specs taking less than 4000 words, makes it easy to integrate with other systems and tools.
 
@@ -62,6 +62,14 @@
 
     Leverages multi-level CPU caches, `enhancing data access <https://www.blosc.org/posts/blosc2-ndim-intro/>`_ and `performance <https://www.blosc.org/posts/ndim-reductions/>`_ for modern multi-core processors.
 
+.. panels::
+    :card: intro-card text-center no-border
+    :column: col-lg-4 col-md-6 col-sm-12 mb-4 offset-lg-4 offset-md-3
+    :container: + gap-3
+
+    **Sparse arrays**
+
+    For `efficient storage <https://www.blosc.org/docs/Exploring-MilkyWay-SciPy2023.pdf>`_ and `data manipulation <https://www.blosc.org/docs/Exploring-MilkyWay-SciPy2023-paper.pdf>`_ with many zero values.
 
 .. raw:: html