Initial release of strsplit

Split input string(s) by delimiter and print each item as a separate line.

Features:
- Custom delimiter regex support (POSIX ERE)
- Line numbering with configurable base and reset
- Multiple sorting modes (numeric, version, human-numeric, dictionary, etc.)
- Custom output formatting with printf-style format strings
- Indentation and run separation options
- Both stdin and command-line argument input modes
- Bash completion support
- Man page documentation
- Debian packaging (native format)

Built with Meson build system.
Licensed under GPL-3+.

Author: Lenik <[email protected]>
Copyright: 2026