Add wiki-style info-box custom callout

[MasssiveJuice08]

Obsidian CSS Snippet example:

• Example: https://github.com/r-u-s-h-i-k-e-s-h/Obsidian-CSS-Snippets/blob/Collection/Snippets/Callout%20styling%20-%20Wikipedia%20like%20infobox.md
  • Code: https://github.com/r-u-s-h-i-k-e-s-h/Obsidian-CSS-Snippets/blob/Collection/Snippets/Callout%20styling%20-%20Wikipedia%20like%20infobox.md

Quartz implementation example:

• Example: https://www.mara-li.fr/Compendium/Sara_white_blaster - uses custom CSSClass wiki-right
  • .md page: https://github.com/Lisandra-dev/owlly-lab-content/blob/54652af84c33c6263e2cc1b7046f0c38522c28b8/Compendium/Sara_white_blaster.md
  • callout defined in: https://github.com/Lisandra-dev/owlly-lab/blob/main/quartz/styles/custom/grid_callouts.scss
  • and in: https://github.com/Lisandra-dev/owlly-lab/blob/main/quartz/styles/custom.scss

[MasssiveJuice08]

Resolved by pr #29