Merge pull request 'add data directory with permission' (#12) from hotfix/add-data-directory into main

Reviewed-on: #12
Reviewed-by: emanuel.holzmann <emanuel.holzmann@noreply.localhost>

jitsi_admin_application_dockerfile

@@ -74,11 +74,14 @@ RUN echo "#!/bin/sh" > /docker-entrypoint-init.d/03-symfony.sh \
 
 RUN wget https://github.com/H2-invent/jitsi-admin/releases/download/${VERSION}/application.zip -O artifact.zip \
     && unzip artifact.zip \
+    && mkdir data \
     && chown -R nobody public \
     && chown -R nobody theme \
+    && chown -R nobody data \
     && chown -R nobody var \
     && chmod -R 700 public \
     && chmod -R 700 theme \
+    && chmod -R 700 data \
     && chmod -R 700 var \
     && rm artifact.zip \
     && rm -r var/cache