Country flags licensing information

The country flag images bundled in this plugin are derived from the
"hampusborgos/country-flags" project.

Source repository: https://github.com/hampusborgos/country-flags

License: Public Domain (PD)

Per the source project’s README:
"The flags are not under copyright protection since flags are in public domain
(there may be other restrictions on how the flag can be used though)."

Notes:
- Original sources are SVG; in this plugin they were converted to PNG for
  security characteristics and smaller file sizes.
- Some source files originate from Wikimedia Commons; see the upstream repo for
  full history and provenance.

