Initial commit: Homelab Dashboard with YAML configuration

Features:
- Service health monitoring with response times
- Proxmox cluster integration (nodes, VMs, containers)
- PBS backup server monitoring
- Camera viewer with WebRTC (go2rtc)
- Docker container monitoring
- Uptime Kuma integration
- Mobile-friendly responsive design
- YAML-based configuration for easy setup

secrets.yaml.example

@@ -0,0 +1,36 @@
+# ============================================================
+# Dashboard Secrets Configuration
+# ============================================================
+# Copy this file to secrets.yaml and fill in your credentials
+# IMPORTANT: Never commit secrets.yaml to version control!
+# Add secrets.yaml to your .gitignore
+# ============================================================
+
+# Proxmox API credentials
+# Create a token: Datacenter > Permissions > API Tokens
+proxmox:
+  api_token: root@pam!dashboard
+  api_secret: your-proxmox-api-secret-here
+
+# Proxmox Backup Server credentials
+# Create a token: Configuration > Access Control > API Token
+pbs:
+  api_token: root@pam!dashboard
+  api_secret: your-pbs-api-secret-here
+
+# OPNsense API credentials (optional)
+# System > Access > Users > [user] > API keys
+opnsense:
+  api_key: your-opnsense-api-key
+  api_secret: your-opnsense-api-secret
+
+# Sabnzbd API key (optional)
+# Config > General > API Key
+sabnzbd:
+  api_key: your-sabnzbd-api-key
+
+# Additional service API keys as needed
+# Add custom keys here following the pattern:
+# service_name:
+#   api_key: your-key
+#   api_secret: your-secret