Wiki major update

updated with recent documentation

wiki/service-docs/duplicati.md

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+# Duplicati - Backup Solution
+
+## Table of Contents
+- [Overview](#overview)
+- [What is Duplicati?](#what-is-duplicati)
+- [Why Use Duplicati?](#why-use-duplicati)
+- [Configuration in AI-Homelab](#configuration-in-ai-homelab)
+- [Official Resources](#official-resources)
+- [Docker Configuration](#docker-configuration)
+
+## Overview
+
+**Category:** Backup & Recovery  
+**Docker Image:** [linuxserver/duplicati](https://hub.docker.com/r/linuxserver/duplicati)  
+**Default Stack:** `utilities.yml`  
+**Web UI:** `http://SERVER_IP:8200`  
+**Ports:** 8200
+
+## What is Duplicati?
+
+Duplicati is a backup client that securely stores encrypted, incremental, compressed backups on cloud storage or other locations. It supports many cloud providers, has a web interface, and is completely free and open-source.
+
+### Key Features
+- **20+ Backends:** S3, B2, Google Drive, OneDrive, SFTP, etc.
+- **Encryption:** AES-256 encryption
+- **Compression:** Multiple algorithms
+- **Incremental:** Only changed data
+- **Deduplication:** Block-level dedup
+- **Web Interface:** Browser-based
+- **Scheduling:** Automated backups
+- **Throttling:** Bandwidth control
+- **Versioning:** Multiple versions
+- **Free & Open Source:** No cost
+
+## Why Use Duplicati?
+
+1. **Cloud Friendly:** 20+ storage backends
+2. **Encrypted:** Secure backups
+3. **Incremental:** Fast backups
+4. **Free:** No licensing costs
+5. **Web UI:** Easy management
+6. **Windows Support:** Cross-platform
+7. **Mature:** Proven solution
+
+## Configuration in AI-Homelab
+
+```
+/opt/stacks/utilities/duplicati/config/    # Duplicati config
+```
+
+## Official Resources
+
+- **Website:** https://www.duplicati.com
+- **Documentation:** https://duplicati.readthedocs.io
+- **Forum:** https://forum.duplicati.com
+
+## Docker Configuration
+
+```yaml
+duplicati:
+  image: linuxserver/duplicati:latest
+  container_name: duplicati
+  restart: unless-stopped
+  networks:
+    - traefik-network
+  ports:
+    - "8200:8200"
+  environment:
+    - PUID=1000
+    - PGID=1000
+    - TZ=America/New_York
+  volumes:
+    - /opt/stacks/utilities/duplicati/config:/config
+    - /opt/stacks:/source:ro  # Source data
+    - /mnt:/backups  # Backup destination
+  labels:
+    - "traefik.enable=true"
+    - "traefik.http.routers.duplicati.rule=Host(`duplicati.${DOMAIN}`)"
+```
+
+## Summary
+
+Duplicati provides encrypted backups to 20+ cloud storage providers with web-based management, incremental backups, and comprehensive versioning.
+
+**Perfect for:**
+- Cloud backups
+- Encrypted off-site storage
+- Multi-cloud backup strategy
+- Scheduled automatic backups
+- Version retention
+
+**Key Points:**
+- 20+ storage backends
+- AES-256 encryption
+- Block-level deduplication
+- Web-based interface
+- Incremental backups
+- Bandwidth throttling
+- Free and open-source
+
+Duplicati backs up your data to the cloud!