feat(locales): add Reticulum documentation clearing functionality in multiple languages

- Introduced new localization strings for clearing Reticulum documentation in German, English, Italian, and Russian.
- Added success messages for the documentation clearing action across all supported languages.
- Included a new status message for establishing a connection in the user interface.

meshchatx/src/frontend/locales/de.json

@@ -279,6 +279,8 @@
         "clear_lxmf_icons_desc": "Zwischengespeicherte LXMF-Benutzersymbole entfernen.",
         "clear_archives": "Seitenarchive löschen",
         "clear_archives_desc": "Alle zwischengespeicherten NomadNetwork-Seiten löschen.",
+        "clear_reticulum_docs": "Reticulum-Dokumentation löschen",
+        "clear_reticulum_docs_desc": "Entfernt alle heruntergeladenen Reticulum-Dokumentationen und Versionen.",
         "export_messages": "Nachrichten exportieren",
         "export_messages_desc": "Alle Konversationen als JSON-Datei herunterladen.",
         "import_messages": "Nachrichten importieren",
@@ -289,6 +291,7 @@
         "favourites_cleared": "Favoriten erfolgreich gelöscht",
         "lxmf_icons_cleared": "LXMF-Icons erfolgreich gelöscht",
         "archives_cleared": "Archive erfolgreich gelöscht",
+        "docs_cleared": "Reticulum-Dokumentation erfolgreich gelöscht",
         "import_success": "Erfolgreich {count} Nachrichten importiert",
         "import_failed": "Nachrichten konnten nicht importiert werden"
     },
@@ -1141,6 +1144,7 @@
         "available": "Verfügbar...",
         "ringing": "Klingelt...",
         "connecting": "Verbinde...",
+        "establishing_link": "Verbindung wird hergestellt...",
         "connected": "Verbunden",
         "accept": "Annehmen",
         "decline": "Ablehnen",

meshchatx/src/frontend/locales/en.json

@@ -279,6 +279,8 @@
         "clear_lxmf_icons_desc": "Remove cached LXMF user icons from your device.",
         "clear_archives": "Clear Page Archives",
         "clear_archives_desc": "Delete all cached NomadNetwork pages.",
+        "clear_reticulum_docs": "Clear Reticulum Docs",
+        "clear_reticulum_docs_desc": "Removes all downloaded Reticulum documentation and versions.",
         "export_messages": "Export Messages",
         "export_messages_desc": "Download all conversations as a JSON file.",
         "import_messages": "Import Messages",
@@ -289,6 +291,7 @@
         "favourites_cleared": "Favorites cleared successfully",
         "lxmf_icons_cleared": "LXMF icons cleared successfully",
         "archives_cleared": "Archives cleared successfully",
+        "docs_cleared": "Reticulum documentation cleared successfully",
         "import_success": "Successfully imported {count} messages",
         "import_failed": "Failed to import messages"
     },
@@ -1230,6 +1233,7 @@
         "available": "Available...",
         "ringing": "Ringing...",
         "connecting": "Connecting...",
+        "establishing_link": "Establishing link...",
         "connected": "Connected",
         "accept": "Accept",
         "decline": "Decline",

meshchatx/src/frontend/locales/it.json

@@ -279,12 +279,19 @@
         "clear_lxmf_icons_desc": "Rimuovi le icone utente LXMF memorizzate sul tuo dispositivo.",
         "clear_archives": "Cancella Archivi Pagine",
         "clear_archives_desc": "Elimina tutte le pagine NomadNetwork memorizzate.",
+        "clear_reticulum_docs": "Cancella Documentazione Reticulum",
+        "clear_reticulum_docs_desc": "Rimuove tutta la documentazione e le versioni di Reticulum scaricate.",
+        "export_messages": "Esporta Messaggi",
+        "export_messages_desc": "Scarica tutte le conversazioni come file JSON.",
+        "import_messages": "Importa Messaggi",
+        "import_messages_desc": "Ripristina le conversazioni da un file JSON.",
         "clear_confirm": "Sei sicuro? Questa azione non può essere annullata.",
         "messages_cleared": "Messaggi cancellati con successo",
         "announces_cleared": "Annunci cancellati con successo",
         "favourites_cleared": "Preferiti cancellati con successo",
         "lxmf_icons_cleared": "Icone LXMF cancellate con successo",
         "archives_cleared": "Archivi cancellati con successo",
+        "docs_cleared": "Documentazione Reticulum cancellata con successo",
         "import_success": "Importati con successo {count} messaggi",
         "import_failed": "Impossibile importare i messaggi"
     },
@@ -1226,6 +1233,7 @@
         "available": "Disponibile...",
         "ringing": "Squilla...",
         "connecting": "Connessione...",
+        "establishing_link": "Stabilendo il collegamento...",
         "connected": "Connesso",
         "accept": "Accetta",
         "decline": "Rifiuta",

meshchatx/src/frontend/locales/ru.json

@@ -279,6 +279,8 @@
         "clear_lxmf_icons_desc": "Удалить кэшированные LXMF-иконки пользователей с устройства.",
         "clear_archives": "Очистить архивы страниц",
         "clear_archives_desc": "Удалить все кэшированные страницы NomadNetwork.",
+        "clear_reticulum_docs": "Очистить документацию Reticulum",
+        "clear_reticulum_docs_desc": "Удаляет всю загруженную документацию и версии Reticulum.",
         "export_messages": "Экспортировать сообщения",
         "export_messages_desc": "Загрузить все разговоры в виде JSON-файла.",
         "import_messages": "Импортировать сообщения",
@@ -289,6 +291,7 @@
         "favourites_cleared": "Избранное успешно очищено",
         "lxmf_icons_cleared": "LXMF-иконки успешно очищены",
         "archives_cleared": "Архивы успешно очищены",
+        "docs_cleared": "Документация Reticulum успешно очищена",
         "import_success": "Успешно импортировано {count} сообщений",
         "import_failed": "Не удалось импортировать сообщения"
     },
@@ -1141,6 +1144,7 @@
         "available": "Доступно...",
         "ringing": "Звонит...",
         "connecting": "Подключение...",
+        "establishing_link": "Установление связи...",
         "connected": "Подключено",
         "accept": "Принять",
         "decline": "Отклонить",