Add to the readme

README.md

@@ -32,6 +32,7 @@ A python package with helper tools for the nf-core community.
 - [`nf-core schema` - Work with pipeline schema files](#pipeline-schema)
 - [`nf-core bump-version` - Update nf-core pipeline version number](#bumping-a-pipeline-version-number)
 - [`nf-core sync` - Synchronise pipeline TEMPLATE branches](#sync-a-pipeline-with-the-template)
+- [`nf-core tui` - Explore the nf-core command line graphically](#tools-cli-tui)
 - [`nf-core modules` - commands for dealing with DSL2 modules](#modules)
 
   - [`modules list` - List available modules](#list-modules)
@@ -731,6 +732,17 @@ To create the pull request, a personal access token is required for API authenti
 These can be created at [https://github.com/settings/tokens](https://github.com/settings/tokens).
 Supply this using the `--auth-token` flag.
 
+## Tools CLI TUI
+
+_CLI:_ Command line interface
+_TUI:_ Terminal user interface
+
+The `nf-core` command line interface is fairly large, with a lot of commands and options.
+To make it easier to explore and use, run `nf-core tui` to launch a graphical terminal interface.
+
+This functionality works using [Textualize/trogon](https://github.com/Textualize/trogon)
+and is based on the underlying CLI implementation that uses [Click](https://click.palletsprojects.com/).
+
 ## Modules
 
 With the advent of [Nextflow DSL2](https://www.nextflow.io/docs/latest/dsl2.html), we are creating a centralised repository of modules.