Added Basque translation (#3195)

Co-authored-by: bilbao_iban <bilbao_iban@eitb.eus>

mods/binoculars/locale/binoculars.eu.tr

@@ -0,0 +1,3 @@
+# textdomain: binoculars
+Binoculars=Prismatikoak
+Use with 'Zoom' key='Zoom' teklarekin erabili