fix(fast rebuild): handle added an deleted markdown correctly (#921)

kabirgh

2024-02-24 a6417c447af8f0ff203ffb8730e53e4a7dfafb23

 quartz/styles/variables.scss

@@ -4,3 +4,6 @@
$sidePanelWidth: 380px;
$topSpacing: 6rem;
$fullPageWidth: $pageWidth + 2 * $sidePanelWidth;
$boldWeight: 700;
$semiBoldWeight: 600;
$normalWeight: 400;