feat(i18n): localize the min read string for the nl-NL locale (#850)

* Update min read translation

* Added nl_BE to Dutch

Added Flemish (nl_BE) to point to nl.

* Removed period to match other translations

quartz/i18n/index.ts

@@ -15,6 +15,7 @@ export const TRANSLATIONS = {
   "ja-JP": ja,
   "de-DE": de,
   "nl-NL": nl,
+  "nl-BE": nl,
   "ro-RO": ro,
   "ro-MD": ro,
   "es-ES": es,

quartz/i18n/locales/nl-NL.ts

@@ -54,7 +54,8 @@ export default {
       title: "Inhoudsopgave",
     },
     contentMeta: {
-      readingTime: ({ minutes }) => `${minutes} min read`,
+      readingTime: ({ minutes }) =>
+        minutes === 1 ? "1 minuut leestijd" : `${minutes} minuten leestijd`,
     },
   },
   pages: {