update translations for plurals of release types

res/translations/nl.json

@@ -47,6 +47,7 @@
     "Close to system tray": "Sluiten naar systeemvak",
     "Comment": "Commentaar",
     "Compilation": "Compilatie",
+    "Compilations": "Compilaties",
     "Composer": "Componist",
     "Configure your music server to add radio stations": "Configureer je muziekserver om radiostations toe te voegen",
     "Confirm Delete Playlist": "Bevestig afspeellijst wissen",
@@ -79,6 +80,7 @@
     "Enabled": "Ingeschakeld",
     "Enter": "Enter",
     "EP": "EP",
+    "EPs": "EPs",
     "Equalizer": "Equalizer",
     "Error": "Fout",
     "Exclusive mode": "Exclusieve modus",
@@ -193,6 +195,7 @@
     "Shuffle tracks": "Nummers door mekaar smijten",
     "Similar artists": "Gelijkaardige artiesten",
     "Single": "Single",
+    "Singles": "Singles",
     "Size": "Grootte",
     "Skip duplicate tracks": "Dubbele nummers overslaan",
     "Skip SSL certificate verification": "SSL-certificaat verificatie overslaan",