📖 [docs][cli-useful] README (#99)

https://claude.ai/code/session_01DyU7E1jy6L8sXmxywReWQ5

Co-authored-by: Claude <noreply@anthropic.com>

Author: tomy0000000

pkg/cli-useful/README.md

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+# `cli-useful`
+
+A curated set of general-purpose command-line utilities for macOS.
+
+## Installs
+
+| CLI         | macOS  | Debian |
+| ----------- | ------ | ------ |
+| `chroma`    | `brew` | —      |
+| `thefuck`   | `brew` | —      |
+| `trash-cli` | `brew` | —      |
+| `watch`     | `brew` | —      |
+| `fileicon`  | `brew` | —      |
+
+## Configures
+
+_Nothing — installs only._
+
+## Notes
+
+- macOS-only package; no Debian equivalent is configured.
+- `thefuck` requires shell integration (e.g. `eval $(thefuck --alias)`) to be added to your shell rc separately.
+- `trash-cli` provides a `trash` command as a safer alternative to `rm`; files go to the macOS Trash rather than being permanently deleted.
+- `fileicon` is macOS-specific and relies on macOS file metadata APIs.
+
+## References
+
+- [chroma - GitHub](https://github.com/alecthomas/chroma): Fast general-purpose syntax highlighter in Go, useful for piping code through a colorizer.
+- [thefuck - GitHub](https://github.com/nvbn/thefuck): Corrects the previous console command when you mistype it.
+- [trash-cli - GitHub](https://github.com/ali-rantakari/trash): Moves files to Trash from the CLI instead of deleting them irreversibly.
+- [watch - man page](https://linux.die.net/man/1/watch): Runs a command repeatedly and displays its output; macOS ships without it by default.
+- [fileicon - GitHub](https://github.com/mklement0/fileicon): Sets and retrieves custom icons for macOS files and folders from the command line.