docs: use a display compatible with pypi

README.rst

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-
-.. raw:: html
-
-    <p align="center">
-      <img src="docs/_static/logo.png" width=240 alt="header"></a>
-    </p>
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-    <h1 align="center">pyGADM</h1>
+PyGADM
+======
 
 .. image:: https://img.shields.io/badge/License-MIT-yellow?logo=opensourceinitiative&logoColor=white
     :target: LICENSE
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 Overview
 --------
 
+.. image:: docs/_static/logo.svg
+    :width: 20%
+    :align: right
+
 Easy access to administrative boundary defined by GADM from a Python scripts.
 
 This lib provides access to GADM datasets from a Python script without downloading the file from their server. We provide access to The current version (4.1.) which delimits 400,276 administrative areas.