post ref format

February 24, 2025

It will be shown in footer and only accomodates single entry.
In front matter with TOML format

[ref]
title = 'post ref format'
author = 'Sparisoma Viridi'
source = 'notes, GitHub Pages, 24 Feb 2024'
updated = '-'
url = 'http://dudung.github.io/notes/25b77'
accessed = '20250224'

Further improvement is required, but first with goal redefinition.