Remove deprecated CyberPanel installation fix script and update README and guides to include new 2FA authentication features and installation instructions. Enhance user management with WebAuthn passkey support, including UI updates for passkey registration and management.

> Thank you!
>
> One more question: is it possible to add WebAuthn 2FA/passkeys/passwordless authentication? Right now, the panel login is the weakest link (assuming SSH key login for the server and tight security on the website).

It has now been added:
https://github.com/usmannasir/cyberpanel/issues/1509#issuecomment-3315474043

utils/linux/install_webauthn.sh

@@ -0,0 +1,150 @@
+#!/bin/bash
+
+# WebAuthn Installation Script for CyberPanel
+# This script helps install and configure WebAuthn/Passkey authentication
+
+echo "=========================================="
+echo "CyberPanel WebAuthn Installation Script"
+echo "=========================================="
+
+# Check if running as root
+if [ "$EUID" -ne 0 ]; then
+    echo "Please run as root (use sudo)"
+    exit 1
+fi
+
+# Check if CyberPanel is installed
+if [ ! -d "/usr/local/CyberCP" ]; then
+    echo "Error: CyberPanel not found at /usr/local/CyberCP"
+    echo "Please install CyberPanel first"
+    exit 1
+fi
+
+echo "✓ CyberPanel installation found"
+
+# Navigate to CyberPanel directory
+cd /usr/local/CyberCP
+
+# Check if Django is available
+if ! python3 -c "import django" 2>/dev/null; then
+    echo "Error: Django not found. Please ensure CyberPanel is properly installed"
+    exit 1
+fi
+
+echo "✓ Django installation found"
+
+# Run database migrations
+echo "Running database migrations..."
+python3 manage.py makemigrations loginSystem
+if [ $? -eq 0 ]; then
+    echo "✓ Database migrations created"
+else
+    echo "Error: Failed to create migrations"
+    exit 1
+fi
+
+python3 manage.py migrate
+if [ $? -eq 0 ]; then
+    echo "✓ Database migrations applied"
+else
+    echo "Error: Failed to apply migrations"
+    exit 1
+fi
+
+# Check if static files directory exists
+if [ ! -d "static/loginSystem" ]; then
+    echo "Creating static files directory..."
+    mkdir -p static/loginSystem
+fi
+
+# Copy WebAuthn JavaScript file if it doesn't exist
+if [ ! -f "static/loginSystem/webauthn.js" ]; then
+    echo "WebAuthn JavaScript file not found. Please ensure webauthn.js is in static/loginSystem/"
+    echo "You can copy it from the source files"
+fi
+
+# Set proper permissions
+echo "Setting file permissions..."
+chown -R lscpd:lscpd /usr/local/CyberCP/static/loginSystem/
+chmod -R 755 /usr/local/CyberCP/static/loginSystem/
+
+# Test the installation
+echo "Testing WebAuthn installation..."
+python3 -c "
+import sys
+sys.path.append('/usr/local/CyberCP')
+try:
+    from loginSystem.webauthn_models import WebAuthnCredential, WebAuthnChallenge, WebAuthnSettings
+    print('✓ WebAuthn models imported successfully')
+except ImportError as e:
+    print(f'Error importing WebAuthn models: {e}')
+    sys.exit(1)
+
+try:
+    from loginSystem.webauthn_backend import WebAuthnBackend
+    backend = WebAuthnBackend()
+    print('✓ WebAuthn backend initialized successfully')
+except Exception as e:
+    print(f'Error initializing WebAuthn backend: {e}')
+    sys.exit(1)
+"
+
+if [ $? -eq 0 ]; then
+    echo "✓ WebAuthn installation test passed"
+else
+    echo "Error: WebAuthn installation test failed"
+    exit 1
+fi
+
+# Create configuration file
+echo "Creating WebAuthn configuration..."
+cat > /usr/local/CyberCP/webauthn_config.py << 'EOF'
+# WebAuthn Configuration for CyberPanel
+# Update these values according to your setup
+
+WEBAUTHN_CONFIG = {
+    'RP_ID': 'cyberpanel.local',  # Replace with your actual domain
+    'RP_NAME': 'CyberPanel',
+    'ORIGIN': 'https://cyberpanel.local:8090',  # Replace with your actual origin
+    'CHALLENGE_TIMEOUT': 300,  # 5 minutes
+    'MAX_CREDENTIALS_PER_USER': 10,
+    'DEFAULT_TIMEOUT_SECONDS': 60,
+}
+
+# Instructions:
+# 1. Update RP_ID to your actual domain (e.g., 'yourdomain.com')
+# 2. Update ORIGIN to your actual origin (e.g., 'https://yourdomain.com:8090')
+# 3. Restart CyberPanel after making changes
+EOF
+
+echo "✓ Configuration file created at /usr/local/CyberCP/webauthn_config.py"
+
+# Restart CyberPanel services
+echo "Restarting CyberPanel services..."
+systemctl restart lscpd
+if [ $? -eq 0 ]; then
+    echo "✓ CyberPanel services restarted"
+else
+    echo "Warning: Failed to restart CyberPanel services. Please restart manually"
+fi
+
+echo ""
+echo "=========================================="
+echo "WebAuthn Installation Complete!"
+echo "=========================================="
+echo ""
+echo "Next steps:"
+echo "1. Update the configuration file: /usr/local/CyberCP/webauthn_config.py"
+echo "2. Replace 'cyberpanel.local' with your actual domain"
+echo "3. Replace 'https://cyberpanel.local:8090' with your actual origin"
+echo "4. Restart CyberPanel: systemctl restart lscpd"
+echo "5. Access CyberPanel and go to User Management to enable WebAuthn"
+echo ""
+echo "Features available:"
+echo "- Passkey registration and management"
+echo "- Passwordless login option"
+echo "- Multiple device support"
+echo "- Admin management interface"
+echo ""
+echo "For more information, see: /usr/local/CyberCP/to-do/WEBAUTHN_IMPLEMENTATION.md"
+echo ""