docs(readme): add mdtt (#33)

README.md

@@ -94,6 +94,7 @@ To contribute, see [CONTRIBUTING.md](./CONTRIBUTING.md)
 - [hiSHtory](https://github.com/ddworken/hishtory) - Your shell history in context: synced, and queryable. (_built with Bubble Tea_)
 - [httpit](https://github.com/gonetx/httpit) - A rapid http(s) benchmark tool. (_built with Bubble Tea_)
 - [json-log-viewer](https://github.com/hedhyw/json-log-viewer) - An interactive JSON log viewer. (_built with Bubble Tea_)
+- [mdtt](https://github.com/szktkfm/mdtt) - A TUI for editing markdown tables.  (_built with Bubble Tea_)
 - [mergestat](https://github.com/mergestat/mergestat) - Run SQL queries on git repositories. (_built with Bubble Tea_)
 - [meteor](https://github.com/stefanlogue/meteor) - A highly customizable conventional commit message tool. (_built with Bubble Tea_)
 - [mpwt](https://github.com/songlim327/mpwt) - A TUI tool transforming Windows Terminal experience by splitting multi commands into organized panes. (_built with Bubble Tea_)