feat: improved sidebar UI with larger icons and user info in footer

- Increased all sidebar navigation icons from text-sm to text-xl for better visibility
- Moved user information and logout button from header to sidebar footer
- Added user avatar with name and email in expanded sidebar state
- Collapsed sidebar shows avatar icon and logout icon button stacked vertically
- Simplified header by removing user badge and logout button
- Added version info (v1.0.0) in sidebar footer
- Improved responsive design for both collapsed and expanded states

.env.example

@@ -0,0 +1,30 @@
+# SQL Server - Servidor Primary (.202)
+DB_PRIMARY_HOST=104.197.7.202
+DB_PRIMARY_USER=sa
+DB_PRIMARY_PASS=Clave.2025
+DB_PRIMARY_DB=master
+
+# SQL Server - Servidor Secondary (.152)
+DB_SECONDARY_HOST=104.192.7.152
+DB_SECONDARY_USER=sa
+DB_SECONDARY_PASS=Clave.2025
+DB_SECONDARY_DB=master
+
+# SQL Server - Azure/CONTROLDESK
+DB_AZURE_HOST=104.192.7.152
+DB_AZURE_USER=sa
+DB_AZURE_PASS=Clave.2025
+DB_AZURE_DB=CONTROLDESK
+
+# PostgreSQL - Base de datos de usuarios (Docker local)
+DB_POSTGRES_HOST=localhost
+DB_POSTGRES_PORT=5432
+DB_POSTGRES_USER=postgres
+DB_POSTGRES_PASS=Control.
+DB_POSTGRES_DB=CONTROLDESK
+
+# JWT Secret (cambiar en producción)
+JWT_SECRET=change-this-secret-in-production-please-use-a-long-random-string
+
+# Ruta de backups
+BACKUP_PATH=D:/BackupSFTP/