Urlscan

* Add flake.nix to the project
* docs: add build badge
* feat: add Github Actions build
* Correct escaped pipe character in urlscan.1
* license: use `GPL-2.0-or-later` (as `GPL-2.0` is deprecated spdx id)
* fix: patch invalid escape sequence in regex argument help text to support py3.12
* read me update - neomutt term color compatability
* Fix for newer urwid versions

* Add man page to package

* Fix search with `-c` flag. Fixes 131.
* Add support for IPv6 URLs. Closes 127
* Mark items in url queue with a `*`
* Add version flag
* Update to pyproject.toml/hatch for builds

* Add "*" to allowed URL characters. Fix 125
* Strip whitespace from URLs. Fixes 124
* Redo redirection of sterr/stdout. Fix 122

* Bugfix in f-string
* Updated setup.py after tagging previous version

* Update TLD list
* Merge branch 'multi-select' into develop
* Fix 118, crash on navigating to non-existant line
* Pylint fixes
* Move to subprocess run instead of call and Popen
* Switch to f-strings