add download notifications

assets/jsons/translations/en.json

@@ -81,11 +81,14 @@
             "msg":{
                "ManifestChecksum": "The previously downloaded manifest does not match the new 🤔",
                "ConnectionTimeout": "Your internet connection seems unstable 🥶",
+               "ConnectionLost": "The connection has been lost, try again...",
+               "ConnectionError": "Unable to connect to Steam, retry...",
                "Unknown": "Something strange has happened 🤔 Your connection is probably unstable."
             }
          },
          "errors":{
             "titles":{
+               "already-downloading": "A download is already in progress",
                "verification-failed":"The verification failed."
             },
             "msg":{

assets/jsons/translations/es.json

@@ -82,11 +82,14 @@
             "msg":{
                "ManifestChecksum": "El manifiesto descargado anteriormente no coincide con el nuevo 🤔",
                "ConnectionTimeout": "Su conexión a Internet parece inestable 🥶",
+               "ConnectionLost": "Se ha perdido la conexión, inténtelo de nuevo...",
+               "ConnectionError": "No se puede conectar a Steam, reintentar...",
                "Unknown": "Algo extraño ha ocurrido 🤔 Tu conexión es probablemente inestable."
             }
          },
          "errors":{
             "titles":{
+               "already-downloading": "La descarga ya está en curso",
                "verification-failed":"La verificación falló."
             },
             "msg":{

assets/jsons/translations/fr.json

@@ -81,12 +81,15 @@
             "msg":{
                "ManifestChecksum": "Le manifest télécharger précédemment ne correspond pas au nouveau 🤔",
                "ConnectionTimeout": "Ta connexion internet semble instable 🥶",
+               "ConnectionLost": "La connexion a été perdue, retentative...",
+               "ConnectionError": "Impossible de se connecter à Steam, retentative...",
                "Unknown": "Quelque chose d'étrange c'est produit 🤔 Votre connexion est surement instable."
             }
          },
          "errors":{
             "titles":{
-               "verification-failed":"La vérification a échoué."
+               "already-downloading": "Un téléchargement est déjà en cours",
+               "verification-failed": "La vérification a échoué."
             },
             "msg":{
                "Password": "Le mot de passe est invalide.",