New translations en.md (Dutch)

[ci skip]

markdown/org/showcase/simon-by-sewandrew/nl.md

@@ -1,11 +1,12 @@
 ---
-maker: "unknown"
+maker: "onbekend"
 caption: "Simon hemd door Andrew"
 date: "2021-01-22"
 image: "https://cdn.sanity.io/images/hl5bw8cj/site-content/582ebfb48a506d583b6654cd296736c21f37807a-746x746.jpg"
-intro: "Dit uitstekende Simon hemd werd gemaakt door Andrew, die ook een blogpost schreef over het proces ."
+intro: "This excellent Simon shirt was made by Andrew, who also blogged about the process ."
 title: "Simon door Andrew"
-designs: ["simon"]
+designs:
+  - "simon"
 ---