Add language names to locale files for German, English, Italian, and Russian

meshchatx/src/frontend/locales/de.json

@@ -1,4 +1,5 @@
 {
+    "_languageName": "Deutsch",
     "bots": {
         "title": "LXMFy-Bots",
         "description": "Verwalten Sie automatisierte Bots für Echo, Notizen und Erinnerungen mit LXMFy.",

meshchatx/src/frontend/locales/en.json

@@ -1,4 +1,5 @@
 {
+    "_languageName": "English",
     "bots": {
         "title": "LXMFy Bots",
         "description": "Manage automated bots for echo, notes, and reminders using LXMFy.",

meshchatx/src/frontend/locales/it.json

@@ -1,4 +1,5 @@
 {
+    "_languageName": "Italiano",
     "bots": {
         "title": "LXMFy Bot",
         "description": "Gestisci bot automatizzati per echo, note e promemoria usando LXMFy.",

meshchatx/src/frontend/locales/ru.json

@@ -1,4 +1,5 @@
 {
+    "_languageName": "\u0420\u0443\u0441\u0441\u043a\u0438\u0439",
     "bots": {
         "title": "Боты LXMFy",
         "description": "Управление автоматическими ботами для эха, заметок и напоминаний с помощью LXMFy.",