dash-frontend: tab titles, home screen username

dash-frontend/assets/lang/de.json

@@ -0,0 +1,9 @@
+{
+  "HOME_SCREEN": "Startbildschirm",
+  "MONADO_RUNTIME": "„Monado”-Laufzeitumgebung",
+  "APPLICATIONS": "Anwendungen",
+  "GAMES": "Spiele",
+  "SETTINGS": "Einstellungen",
+  "PROCESSES": "Prozesse",
+  "HELLO_USER": "Hallo, {USER}!"
+}

dash-frontend/assets/lang/en.json

@@ -1 +1,9 @@
-{}
+{
+	"HOME_SCREEN": "Home",
+	"MONADO_RUNTIME": "„Monado” runtime",
+	"APPLICATIONS": "Applications",
+	"GAMES": "Games",
+	"SETTINGS": "Settings",
+	"PROCESSES": "Processes",
+	"HELLO_USER": "Hello, {USER}!"
+}

dash-frontend/assets/lang/es.json

@@ -0,0 +1,9 @@
+{
+  "HOME_SCREEN": "Inicio",
+  "MONADO_RUNTIME": "„Monado” tiempo de ejecución",
+  "APPLICATIONS": "Aplicaciones",
+  "GAMES": "Juegos",
+  "SETTINGS": "Ajustes",
+  "PROCESSES": "Procesos",
+  "HELLO_USER": "¡Hola, {USER}!"
+}

dash-frontend/assets/lang/ja.json

@@ -0,0 +1,9 @@
+{
+  "HOME_SCREEN": "ホーム",
+  "MONADO_RUNTIME": "「Monado」ランタイム",
+  "APPLICATIONS": "アプリケーション",
+  "GAMES": "ゲーム",
+  "SETTINGS": "設定",
+  "PROCESSES": "プロセス",
+  "HELLO_USER": "こんにちは、{USER}！"
+}

dash-frontend/assets/lang/pl.json

@@ -0,0 +1,9 @@
+{
+  "HOME_SCREEN": "Ekran główny",
+  "MONADO_RUNTIME": "„Monado” środowisko uruchomieniowe",
+  "APPLICATIONS": "Aplikacje",
+  "GAMES": "Gry",
+  "SETTINGS": "Ustawienia",
+  "PROCESSES": "Procesy",
+  "HELLO_USER": "Witaj, {USER}!"
+}