Add FeWo Docker deployment and expand report themes

deploy/docker-fewo/.env.example

@@ -0,0 +1,12 @@
+TZ=Europe/Berlin
+
+REPORT_RENDERER_BIND_IP=127.0.0.1
+REPORT_RENDERER_PORT=8090
+
+RENDER_TIMEOUT_SECONDS=60
+MAX_PAYLOAD_BYTES=2097152
+
+GOTENBERG_IMAGE=gotenberg/gotenberg:8
+GOTENBERG_PLATFORM=linux/amd64
+
+N8N_NETWORK=docker-postgres-backend