docs: add Citation plugin & feature pages (#1772)

Jonathan Fung

2025-02-25 9a0d919a3b1730adb1f02e4a26eaad38bf71f408

 quartz/components/styles/search.scss

@@ -151,6 +151,7 @@
        }

        & > #preview-container {
          flex-grow: 1;
          display: block;
          overflow: hidden;
          font-family: inherit;