feat: add callout metadata parsing (#1172)

Alex Nordstrom

2024-05-28 77d6d9623fc195f97de4d82f3498b4a5723e3d38

 quartz/plugins/transformers/description.ts

@@ -61,6 +61,7 @@
                const currentSentence = sentence.endsWith(".") ? sentence : sentence + "."
                finalDesc.push(currentSentence)
                currentDescriptionLength += currentSentence.length
                sentenceIdx++
              }
            }