Fix some mistakes I made preventing app from working and get OIDC working.

start.sh

@@ -4,6 +4,8 @@ set -eu
 mkdir -p /app/data/library /app/data/config /app/data/assets /app/data/resources
 mkdir -p /tmp/vite-temp /tmp/vite /tmp/cache
 
+touch /app/data/config/config.yml
+
 # ensure that data directory is owned by 'cloudron' user
 chown -R cloudron:cloudron /app/data /tmp/vite-temp /tmp/vite /tmp/cache
 
@@ -24,9 +26,8 @@ export OIDC_ENABLED=true
 export OIDC_PROVIDER=${CLOUDRON_OIDC_PROVIDER_NAME}
 export OIDC_CLIENT_ID=${CLOUDRON_OIDC_CLIENT_ID}
 export OIDC_CLIENT_SECRET=${CLOUDRON_OIDC_CLIENT_SECRET}
-export OIDC_REDIRECT_URI="/api/oauth/openid"
-export OIDC_SERVER_APPLICATION_URL=${CLOUDRON_OIDC_AUTH_ENDPOINT}
-export ROMM_BASE_PATH=/app/data
+export OIDC_REDIRECT_URI="${CLOUDRON_APP_ORIGIN}/api/oauth/openid"
+export OIDC_SERVER_APPLICATION_URL=${CLOUDRON_OIDC_ISSUER}
 export UV_PYTHON_INSTALL_DIR=/app/code/uv
 export DEV_HTTPS=false
 export __VITE_ADDITIONAL_SERVER_ALLOWED_HOSTS=${CLOUDRON_APP_DOMAIN}