feat: implement template storage and download functionality with Docker support

docker-entrypoint-dev.sh

@@ -13,9 +13,15 @@ mkdir -p /app/public/uploads/contracts
 mkdir -p /app/public/uploads/projects
 mkdir -p /app/public/uploads/tasks
 
+# Ensure templates directory exists
+mkdir -p /app/templates
+
 # Set proper permissions for uploads directory
 chmod -R 755 /app/public/uploads
 
+# Set proper permissions for templates directory
+chmod -R 755 /app/templates
+
 # Create admin account if it doesn't exist
 echo "🔧 Setting up admin account..."
 node scripts/create-admin.js