New translations app.json (Spanish)

Localization/StringsConvertor/input/es_ES/app.json

@@ -541,6 +541,7 @@
             "add_account": "Add Account"
         },
         "wizard": {
+            "new_in_mastodon": "New in Mastodon",
             "multiple_account_switch_intro_description": "Switch between multiple accounts by holding the profile button.",
             "accessibility_hint": "Double tap to dismiss this wizard"
         }