Doc: main page: link to user survey (to be reverted after Nov 11th)

Author: rouault

doc/source/about_no_title.rst

@@ -1,5 +1,13 @@
 GDAL is a translator library for raster and vector geospatial data formats that is released under an MIT style Open Source :ref:`license` by the `Open Source Geospatial Foundation`_. As a library, it presents a single raster abstract data model and single vector abstract data model to the calling application for all supported formats. It also comes with a variety of useful command line utilities for data translation and processing. The `NEWS`_ page describes the October 2024 GDAL/OGR 3.9.3 release.
 
+.. note::
+
+    The GDAL project is currently soliciting feedback to help focus
+    :ref:`GDAL Sponsorship Program <rfc-83>` activities.
+    We would highly appreciate you fill in the `survey <https://docs.google.com/forms/d/e/1FAIpQLSdMXygtDb5M0Ov0KK0u2wKkev1rMqAjRdTlwMeCl7Z1TGJTLw/viewform>`__ that  will
+    provide guidance about priorities for the program's resources (open until November 11th, 2024).
+
+
 .. only:: html
 
    |offline-download|