feat: add --type support to --add command

- Support for all server types: ssh, telnet, mariadb, mssql, postgresql, redis, grafana, prometheus, winrm, rdp
- Add --type, --database, --token options to --add command
- Add server type validation
- Add type-specific fields (database, token, auth_method)
- Update skill-ssh.md with new usage

Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>

tools/skill-ssh.md

@@ -50,7 +50,7 @@ python ~/.server-connections/ssh.py --remove ALIAS
 
 ### Добавить сервер
 ```bash
-python ~/.server-connections/ssh.py --add ALIAS IP PORT USER PASSWORD [--note "описание"]
+python ~/.server-connections/ssh.py --add ALIAS IP PORT USER PASSWORD [--type ssh|telnet|mariadb|mssql|postgresql|redis|grafana|prometheus|winrm|rdp] [--note "описание"] [--database DB] [--token TOKEN]
 ```
 - Автоматически устанавливает SSH-ключ после добавления
 - Обновляет `~/.ssh/config`