Doc: add a presentations page

Author: rouault

docs/source/community/index.rst

@@ -16,6 +16,7 @@ contributor the community is always very welcoming.
    ai_tool_policy
    code_contributions
    code_of_conduct
+   presentations
    service_providers
    rfc/index
 

docs/source/community/presentations.rst

@@ -0,0 +1,34 @@
+.. _presentations:
+
+===========================
+Presentations
+===========================
+
+GDAL presentations have been given at FOSS4G, the leading annual conference for free and open source geospatial software.
+It is the event for those interested in PROJ, other FOSS geospatial technologies and the community around them.
+
++ `PROJ is not only about projections <https://talks.osgeo.org/media/foss4g-europe-2026/submissions/SSCMFH/resources/PROJ-is-not-only-about-proje_wHvh0h8.pdf>`__ by Javier Jimenez Shaw, Pix4D, at `FOSS4G Europe 2026 <https://2026.europe.foss4g.org/>`_ in Timișoara, Romania.
++ `Introduction to Vertical Coordinate Systems <https://www.youtube.com/watch?v=tELPb9G64zU>`__
+  by Javier Jimenez Shaw, Pix4D, at `FOSS4G Europe 2024 <https://2024.europe.foss4g.org/>`_ in Tartu, Estonia.
++ `Introduction to Coordinate Systems <https://www.youtube.com/watch?v=4OOGVIajt9Y>`__
+  by Javier Jimenez Shaw, Pix4D, at `FOSS4G 2023 <https://2023.foss4g.org/>`_ in Prizren, Kosovo.
++ `Transformations using PROJ <https://www.euref.eu/euref-documents/tutorials/transformations-using-proj>`_ by K. Evers, G. Valsson, P. Häkli, J. Lesparre et al., E. Brockmann and M. Clausen, at EUREF 2019, Tallin, Estonia.
+
+.. spelling:word-list::
+    Timișoara
+    Romania
+    Tartu
+    Estonia
+    Prizren
+    Kosovo
+    Javier
+    Jimenez
+    Shaw
+    Pix4D
+    Valsson
+    Häkli
+    Lesparre
+    Brockmann
+    Clausen
+    Tallin
+