Add Dutch translation nl.yaml (#460)

i18n/nl.yaml

@@ -0,0 +1,28 @@
+- id: prev_page
+  translation: "Vorige"
+
+- id: next_page
+  translation: "Volgende"
+
+- id: read_time
+  translation:
+      one: "1 min"
+      other: "{{ .Count }} min"
+
+- id: toc
+  translation: "Inhoudsopgave"
+
+- id: translations
+  translation: "Vertalingen"
+
+- id: home
+  translation: "Startpagina"
+
+- id: edit_post
+  translation: "Bewerk"
+
+- id: code_copy
+  translation: "kopieer"
+
+- id: code_copied
+  translation: "gekopieerd!"