Create CLI Tools documentation

Added a comprehensive list of curated command-line utilities across various categories including shells, text manipulation, networking, security, and more.

docs/cli-tools.md

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+# CLI Tools
+Curated, high-quality command-line utilities across sysadmin, security, networking, productivity, and development workflows.
+
+## Shells & Prompting
+Interactive shells, enhancers, prompts, plugins, fuzzy finders/jump tools
+
+[**GNU Bash**](https://www.gnu.org/software/bash/) - is an sh-compatible shell that incorporates useful features from the Korn shell and C shell.  
+[**Zsh**](https://www.zsh.org/) - is a shell designed for interactive use, although it is also a powerful scripting language.  
+[**tclsh**](https://tcl-lang.org/) - is a very powerful cross-platform shell, suitable for a huge range of uses.  
+[**bash-it**](https://github.com/Bash-it/bash-it) - is a framework for using, developing and maintaining shell scripts and custom commands.  
+[**Oh My ZSH!**](https://ohmyz.sh/) - is the best framework for managing your Zsh configuration.  
+[**Oh My Fish**](https://github.com/oh-my-fish/oh-my-fish) - the Fishshell framework.  
+[**Starship**](https://github.com/starship/starship) - the cross-shell prompt written in Rust.  
+[**powerlevel10k**](https://github.com/romkatv/powerlevel10k) - is a fast reimplementation of Powerlevel9k ZSH theme.
+
+## Terminal & Multiplexing
+- Multiplexers (tmux/screen), terminal emulators/utils, session managers
+
+## Text & File Manipulation
+- Editors (vim/neovim/micro), viewers (bat, hexyl), finders (fd, ripgrep), fuzzy (fzf), diff/pretty (delta), file ops (exa/lsd, dust, duf, ncdu)
+
+## Filesystem & Disk
+- Disk usage/analyzers, mount/umount helpers, secure delete/wipe, inotify tools
+
+## System Monitoring & Diagnostics
+- Process (htop/btop, glances, bottom), memory/CPU (nvtop if GPU), logs (lnav, goaccess), debuggers (strace, ltrace), perf tools
+
+## Networking & Recon
+### Core Utilities
+- curl, wget, httpie, aria2, transmission-cli
+
+### Scanning & Discovery
+- nmap, masscan, RustScan, naabu, zmap
+
+### Traffic Capture & Analysis
+- tcpdump, tshark, termshark, wireshark-cli equivalents
+
+### DNS & Subdomain
+- subfinder, amass, dnsx, dnstwist, fierce
+
+### Proxy / Tunneling / TOR
+- proxychains, redsocks, tor, torsocks, chisel, bore
+
+## Security & Crypto
+- openssl, gnupg/gpg, age/sops, hashcat/john (if CLI-focused), secure-delete tools, password managers (pass, bitwarden-cli)
+
+## Databases & Data
+- sqlite3 utils, jq/yq (JSON/YAML), miller (CSV/TSV), csvkit, duckdb CLI
+
+## Development & Versioning
+- git cli helpers/extras (gh, git-extras, lazygit), diff-so-fancy/delta, tig
+
+## Productivity & Misc
+- Task runners (task, just), note-taking (jrnl, taskwarrior), calendars (calcurse), chat/IRC (weechat, irssi), RSS (newsboat)
+
+## Benchmarking & Performance
+- wrk, hyperfine, fio, sysbench