New translations en.json (Greek)

i18n/el.json

@@ -164,6 +164,14 @@
     "EiB": "EiB",
     "ZiB": "ZiB",
     "YiB": "YiB",
+    "KB": "KB",
+    "MB": "MB",
+    "GB": "GB",
+    "TB": "TB",
+    "PB": "PB",
+    "EB": "EB",
+    "ZB": "ZB",
+    "YB": "YB",
     "Format": "Μορφοποίηση",
     "Plain Text": "Απλό κείμενο",
     "Source Code": "Πηγαίος Κώδικας",