Merge pull request #1988 from arduino/product-compliance7

New RoHS certs

Author: kateryna-lukina

content/hardware/_unlisted/kits/opta-ext-d1608e/certifications/Arduino_AFX00005-CERT_RoHS.pdf

@@ -1,5 +1,5 @@
 ---
 title: Opta Ext D1608E
-certifications: [CE, UKCA]
+certifications: [CE, UKCA, RoHS]
 sku: [AFX00005]
 ---

content/hardware/_unlisted/kits/opta-ext-d1608e/product.md

@@ -1,5 +1,5 @@
 ---
 title: Opta Ext D1608S
-certifications: [CE, UKCA]
+certifications: [CE, UKCA, RoHS]
 sku: [AFX00006]
 ---