Add field 'website:menu' (#803)

* Add "website/menu" in sustenance amenity moreFields section

interim/source_strings.yaml

@@ -5165,6 +5165,13 @@ en:
         placeholder: https://example.com
         # 'terms: internet presence,uri,url,webpage'
         terms: '[translate with synonyms or related terms for ''Website'', separated by commas]'
+      website/menu:
+        # website:menu=*
+        label: Menu Link
+        # website/menu field placeholder
+        placeholder: https://example.com
+        # 'terms: online menu,menu uri,menu url,website menu,menu'
+        terms: '[translate with synonyms or related terms for ''Menu Link'', separated by commas]'
       wetland:
         # wetland=*
         label: Type