Update README with MapLibre logo

Author: louwers

README.md

@@ -1,3 +1,11 @@
+<p align="center">
+  <picture>
+    <source media="(prefers-color-scheme: dark)" srcset="https://maplibre.org/img/maplibre-logos/maplibre-logo-for-dark-bg.svg">
+    <source media="(prefers-color-scheme: light)" srcset="https://maplibre.org/img/maplibre-logos/maplibre-logo-for-light-bg.svg">
+    <img alt="MapLibre Logo" src="https://maplibre.org/img/maplibre-logos/maplibre-logo-for-light-bg.svg" width="200">
+  </picture>
+</p>
+
 MapLibre Navigation SDK for Android (and KMP)
 =============================================