l10n: README: add file extention ".md"

Add file extension ".md" to "po/README" to help to display this markdown file properly. Signed-off-by: Jiang Xin <worldhello.net@gmail.com>

Jiang Xin committed May 26, 2021 at 17:38 UTC e54b2715295df8d7174fe5be67b4459fd5b438f8
1 file changed
po/README.md
similarity index 100% rename from po/README rename to po/README.md