colorize_lines.pl 4.0.2: fix formatting if a color reset is present

[ryoskzypu]

Script info

• Script name:  colorize_lines.pl
• Version: 4.0.2

• Requirements: 

• Min WeeChat version: 

• Script tags: 

Description

Fix script not preserving color attributes when there is a color reset code in the line, by injecting the 'keep attributes' code.

Closes #457

Checklist (script update)

• Author has been contacted
• Single commit, single file added
• Commit message format: script_name.py X.Y: …
• Script version and Changelog have been updated
• For Python script: works with Python 3 (Python 2 support is optional)
• Score 100 / 100 displayed by weechat-script-lint

[flashcode]

Thanks, merged!

I also removed the script from REUSE.toml, as now SPDX format is used for copyright and license.