Update to Leaflet 1.9.4

files are now in a sub-dir "dist" in the download-package

Dockerfile

@@ -111,8 +111,10 @@ RUN ln -sf /dev/stdout /var/log/apache2/access.log \
 # leaflet
 COPY leaflet-demo.html /var/www/html/index.html
 RUN cd /var/www/html/ \
-&& wget https://github.com/Leaflet/Leaflet/releases/download/v1.8.0/leaflet.zip \
+&& wget https://github.com/Leaflet/Leaflet/releases/download/v1.9.4/leaflet.zip \
 && unzip leaflet.zip \
+&& mv dist/* . \
+&& rmdir dist \
 && rm leaflet.zip
 
 # Icon