make desci more local

data/23/events/desci-prague/index.toml

@@ -11,7 +11,7 @@ days = 1
 venueName = "TBA"
 #venueAddress = ""
 #venueUrl = ""
-languages = ["english"]
+languages = ["english", "czech", "slovak"]
 attendees = 150
 tags = ["DeSci", "science"]
 description = '''