Add MarkBase services startup/stop scripts

Service Management Scripts:
- start_services.sh: Start Web, SSH, SMB servers
- stop_services.sh: Stop all servers gracefully

Features:
- Port conflict detection
- Graceful shutdown (SIGTERM + SIGKILL)
- Log file management
- Color-coded output

Ports:
- Web: 11438
- SSH: 2024
- SMB: 4445

Usage:
  ./scripts/start_services.sh
  ./scripts/stop_services.sh

scripts/stop_services.sh

@@ -0,0 +1,96 @@
+#!/bin/bash
+# MarkBase Services Stop Script
+# Stops all services: Web, SSH, SMB
+
+set -e
+
+PORT_WEB=11438
+PORT_SSH=2024
+PORT_SMB=4445
+
+# Colors
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m'
+
+echo "================================================"
+echo "MarkBase Services Stop"
+echo "================================================"
+echo ""
+
+# Function to check if port is in use
+check_port() {
+    local port=$1
+    if nc -z 127.0.0.1 $port 2>/dev/null; then
+        return 0  # Port is in use
+    else
+        return 1  # Port is free
+    fi
+}
+
+# Function to kill process on port
+kill_port() {
+    local port=$1
+    local pid=$(lsof -t -i:$port 2>/dev/null)
+    if [ -n "$pid" ]; then
+        echo "${YELLOW}Killing process $pid on port $port${NC}"
+        kill $pid 2>/dev/null || true
+        sleep 1
+        # Force kill if still running
+        if check_port $port; then
+            echo "${YELLOW}Force killing process $pid${NC}"
+            kill -9 $pid 2>/dev/null || true
+            sleep 1
+        fi
+    fi
+}
+
+# Stop Web Server
+echo "=== Stopping Web Server (Port $PORT_WEB) ==="
+if check_port $PORT_WEB; then
+    kill_port $PORT_WEB
+    if check_port $PORT_WEB; then
+        echo "${RED}Web Server still running${NC}"
+    else
+        echo "${GREEN}Web Server stopped${NC}"
+    fi
+else
+    echo "${YELLOW}Web Server not running${NC}"
+fi
+echo ""
+
+# Stop SSH Server
+echo "=== Stopping SSH Server (Port $PORT_SSH) ==="
+if check_port $PORT_SSH; then
+    kill_port $PORT_SSH
+    if check_port $PORT_SSH; then
+        echo "${RED}SSH Server still running${NC}"
+    else
+        echo "${GREEN}SSH Server stopped${NC}"
+    fi
+else
+    echo "${YELLOW}SSH Server not running${NC}"
+fi
+echo ""
+
+# Stop SMB Server
+echo "=== Stopping SMB Server (Port $PORT_SMB) ==="
+if check_port $PORT_SMB; then
+    kill_port $PORT_SMB
+    if check_port $PORT_SMB; then
+        echo "${RED}SMB Server still running${NC}"
+    else
+        echo "${GREEN}SMB Server stopped${NC}"
+    fi
+else
+    echo "${YELLOW}SMB Server not running${NC}"
+fi
+echo ""
+
+# Summary
+echo "================================================"
+echo "MarkBase Services Stop Complete"
+echo "================================================"
+echo ""
+echo "${GREEN}All services stopped${NC}"