feat(i18n): Add French translation for reading time (#998)

Mara-Li

2024-03-15 b98e4be66548e452419a1e4138d9d6d1981f891e

 quartz/plugins/transformers/description.ts

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