Updated Python-Blosc2 frontpage for more updated contents

Author: FrancescAlted

doc/python-blosc2.rst

@@ -68,11 +68,11 @@
         .. raw:: html
 
             <div style="text-align: center;">
-                <i class="fas fa-th" style="font-size: 2em; color: #007acc; margin-bottom: 10px;"></i>
-                <h3 style="margin-top: 10px; margin-bottom: 15px;">Sparse Data Mastery</h3>
+                <i class="fas fa-sitemap" style="font-size: 2em; color: #007acc; margin-bottom: 10px;"></i>
+                <h3 style="margin-top: 10px; margin-bottom: 15px;">Hierarchical Structures</h3>
             </div>
 
-        Efficiently store and manipulate sparse data with `compact sparse constructs <https://www.blosc.org/docs/Exploring-MilkyWay-SciPy2023.pdf>`_ for optimized `performance <https://www.blosc.org/docs/Exploring-MilkyWay-SciPy2023-paper.pdf>`_.
+        Efficiently store data hierachically with the `TreeStore class <https://www.blosc.org/python-blosc2/reference/tree_store.html#blosc2.TreeStore>`_ for convenience and optimized `performance <https://www.blosc.org/posts/new-treestore-blosc2/>`_.
 
     .. grid-item-card::
         :class-card: intro-card text-center no-border
@@ -84,7 +84,7 @@
                 <h3 style="margin-top: 10px; margin-bottom: 15px;">Flexible Storage</h3>
             </div>
 
-        Access data from anywhere: read/write in `memory or disk <https://github.com/Blosc/python-blosc2/blob/main/doc/getting_started/tutorials/01.ndarray-basics.ipynb>`_, stream from `the network <https://www.blosc.org/python-blosc2/reference/c2array.html>`_, or use `memory-mapped files <https://www.blosc.org/python-blosc2/reference/storage.html#blosc2.Storage.params.mmap_mode>`_ for high-performance I/O.
+        Access data from anywhere: read/write in `memory or disk <https://www.blosc.org/docs/Exploring-MilkyWay-SciPy2023-paper.pdf>`_, stream from `the network <https://www.blosc.org/python-blosc2/reference/c2array.html>`_, or use `memory-mapped files <https://www.blosc.org/python-blosc2/reference/storage.html#blosc2.Storage.params.mmap_mode>`_ for high-performance I/O.
 
     .. grid-item-card::
         :class-card: intro-card text-center no-border

src/blosc2/c2array.py

@@ -45,13 +45,13 @@ def c2context(
     A parameter not specified or set to ``None`` will inherit the value from the
     previous context manager, defaulting to an environment variable (see
     below) if supported by that parameter.  Parameters set to an empty string
-    will not to be used in requests (with no default either).
+    will not be used in requests (without a default either).
 
     If the subscriber requires authorization for requests, you can either
     provide an `auth_token` (which you should have obtained previously from the
     subscriber), or both `username` and `password` to obtain the token by
     logging in to the subscriber.  The token will be reused until it is explicitly
-    reset or requested again in a subsequent context manager invocation.
+    reset or requested again in a later context manager invocation.
 
     Please note that this manager is reentrant but not safe for concurrent use.
 
@@ -190,6 +190,10 @@ class C2Array(blosc2.Operand):
     def __init__(self, path: str, /, urlbase: str | None = None, auth_token: str | None = None):
         """Create an instance of a remote NDArray.
 
+        Remote NDArrays can be accessed via HTTP from a Caterva2 server
+        (e.g., https://cat2.cloud). More information about Caterva2 at:
+        https://ironarray.io/caterva2.
+
         Parameters
         ----------
         path: str

src/blosc2/tree_store.py

@@ -80,12 +80,12 @@ def __len__(self):
 
 class TreeStore(DictStore):
     """
-    A hierarchical tree-based storage container for compressed data using Blosc2.
+    A hierarchical tree-based storage container for Blosc2 data.
 
-    Extends DictStore with strict hierarchical key validation and tree traversal
-    capabilities. Keys must follow a hierarchical structure using '/' as separator
-    and always start with '/'. If user passes a key that doesn't start with '/',
-    it will be automatically added.
+    Extends :class:`blosc2.DictStore` with strict hierarchical key validation
+    and tree traversal capabilities. Keys must follow a hierarchical structure
+    using '/' as separator and always start with '/'. If user passes a key
+    that doesn't start with '/', it will be automatically added.
 
     It supports the same arguments as :class:`blosc2.DictStore`.