docs: add smart-terminal-mcp to real-world uses

[pungggi]

Summary

• add smart-terminal-mcp to the README's Real-world Uses list

Why

smart-terminal-mcp is an MCP server that gives AI agents real interactive terminal access via pseudo-terminals.

[pungggi]

The smart-terminal-mcp project requires node-pty to create interactive pseudo-terminal sessions. Standard command execution methods only run a single, isolated command and then stop.

Some projects or tasks need a continuous connection.
It uses sessions supported by node-pty to allow two-way text communication and to keep programs running interactively.

Reason for inclusion
I believe this project is a good fit for the README list because node-pty provides the primary functionality for the application; it is not an optional or minor dependency.

Specifically, the project uses node-pty to enable:

• Interactive terminal sessions that stay open.
• Continuous delivery of terminal text output.
• Two-way data transfer (input and output) with the terminal.
• The standard terminal functions that AI agents require to operate command-line tools.