Organize docs directory: move 25 files to appropriate locations

- Created docs/00-meta/ for documentation meta files (11 files)
- Created docs/archive/reports/ for reports (5 files)
- Created docs/archive/issues/ for issue tracking (2 files)
- Created docs/bridge/contracts/ for Solidity contracts (3 files)
- Created docs/04-configuration/metamask/ for Metamask configs (3 files)
- Created docs/scripts/ for documentation scripts (2 files)
- Root directory now contains only 3 essential files (89.3% reduction)

All recommended actions from docs directory review complete.

scripts/setup_ssh_tunnel.sh

@@ -0,0 +1,117 @@
+#!/bin/bash
+# Setup SSH tunnel for Proxmox API access
+# This allows list_vms.py to work from different network segments
+
+PROXMOX_HOST="${PROXMOX_HOST:-192.168.11.10}"
+PROXMOX_PORT="${PROXMOX_PORT:-8006}"
+SSH_USER="${SSH_USER:-root}"
+LOCAL_PORT="${LOCAL_PORT:-8006}"
+TUNNEL_PID_FILE="/tmp/proxmox-tunnel-${PROXMOX_HOST}-${PROXMOX_PORT}.pid"
+
+# Load from .env if available
+if [ -f ~/.env ]; then
+    export $(grep -E "^PROXMOX_" ~/.env | grep -v "^#" | xargs)
+    PROXMOX_HOST="${PROXMOX_HOST:-192.168.11.10}"
+    PROXMOX_PORT="${PROXMOX_PORT:-8006}"
+fi
+
+echo "═══════════════════════════════════════════════════════════"
+echo "  Proxmox SSH Tunnel Setup"
+echo "═══════════════════════════════════════════════════════════"
+echo ""
+echo "Configuration:"
+echo "  Proxmox Host: $PROXMOX_HOST"
+echo "  Proxmox Port: $PROXMOX_PORT"
+echo "  SSH User: $SSH_USER"
+echo "  Local Port: $LOCAL_PORT"
+echo ""
+
+# Check if tunnel already exists
+if [ -f "$TUNNEL_PID_FILE" ]; then
+    OLD_PID=$(cat "$TUNNEL_PID_FILE")
+    if ps -p "$OLD_PID" > /dev/null 2>&1; then
+        echo "⚠️  Tunnel already running (PID: $OLD_PID)"
+        echo "   Use: ./stop_ssh_tunnel.sh to stop it"
+        exit 1
+    else
+        rm -f "$TUNNEL_PID_FILE"
+    fi
+fi
+
+# Test SSH connection
+echo "Testing SSH connection to $SSH_USER@$PROXMOX_HOST..."
+if ! ssh -o ConnectTimeout=5 -o StrictHostKeyChecking=no "$SSH_USER@$PROXMOX_HOST" "echo 'SSH OK'" 2>/dev/null; then
+    echo "❌ SSH connection failed"
+    echo ""
+    echo "Troubleshooting:"
+    echo "  1. Check if host is reachable: ping $PROXMOX_HOST"
+    echo "  2. Verify SSH access is configured"
+    echo "  3. Check if you're on the correct network/VPN"
+    echo ""
+    echo "Alternative: Use Cloudflare tunnel for web access:"
+    case "$PROXMOX_HOST" in
+        192.168.11.10)
+            echo "  https://ml110-01.d-bis.org"
+            ;;
+        192.168.11.11)
+            echo "  https://r630-01.d-bis.org"
+            ;;
+        192.168.11.12)
+            echo "  https://r630-02.d-bis.org"
+            ;;
+    esac
+    exit 1
+fi
+
+echo "✅ SSH connection successful"
+echo ""
+
+# Create tunnel
+echo "Creating SSH tunnel..."
+echo "  Local: localhost:$LOCAL_PORT"
+echo "  Remote: $PROXMOX_HOST:$PROXMOX_PORT"
+echo ""
+
+ssh -N -L ${LOCAL_PORT}:${PROXMOX_HOST}:${PROXMOX_PORT} \
+    -o StrictHostKeyChecking=no \
+    -o ServerAliveInterval=60 \
+    -o ServerAliveCountMax=3 \
+    "$SSH_USER@$PROXMOX_HOST" &
+    
+TUNNEL_PID=$!
+echo $TUNNEL_PID > "$TUNNEL_PID_FILE"
+
+# Wait a moment for tunnel to establish
+sleep 2
+
+# Verify tunnel is running
+if ps -p "$TUNNEL_PID" > /dev/null 2>&1; then
+    echo "✅ Tunnel established (PID: $TUNNEL_PID)"
+    echo ""
+    echo "═══════════════════════════════════════════════════════════"
+    echo "  Tunnel Active"
+    echo "═══════════════════════════════════════════════════════════"
+    echo ""
+    echo "You can now use:"
+    echo "  PROXMOX_HOST=localhost python3 list_vms.py"
+    echo ""
+    echo "Or set in environment:"
+    echo "  export PROXMOX_HOST=localhost"
+    echo "  python3 list_vms.py"
+    echo ""
+    echo "To stop the tunnel:"
+    echo "  ./stop_ssh_tunnel.sh"
+    echo "  # or"
+    echo "  kill $TUNNEL_PID"
+    echo ""
+    echo "Tunnel will run in background. Press Ctrl+C to stop monitoring."
+    echo ""
+    
+    # Keep script running to maintain tunnel
+    trap "kill $TUNNEL_PID 2>/dev/null; rm -f $TUNNEL_PID_FILE; exit" INT TERM
+    wait $TUNNEL_PID
+else
+    echo "❌ Failed to establish tunnel"
+    rm -f "$TUNNEL_PID_FILE"
+    exit 1
+fi