added translations for MQTT and partially display command (#180)

src/translations.ini

@@ -0,0 +1,53 @@
+[en]
+cpu_load = CPU load
+cpu_temperature = CPU Temperature
+disk_usage = Disk Usage
+cpu_voltage = CPU Voltage
+disk_swap = Disk Swap 
+memory_usage = Memeory Usage
+cpu_clock_speed = CPU Clock Speed
+uptime = Uptime
+wifi_signal = WiFi Signal
+wifi_signal_strength = WiFi Signal Strength
+fan_speed = Fan Speed
+status = Status
+rpi_mqtt_monitor = RPi MQTT Monitor
+system_restart = System Restart
+system_shutdown = System Shutdown
+monitor_on = Monitor On
+monitor_off = Monitor Off
+temperature = Temperature
+rpi_power_status = RPi Power Status
+apt_updates = APT Updates
+humidity = Humidity
+used_space = Used Space
+voltage = Voltage
+update = update
+external_sensors = External Sensors
+
+[de]
+cpu_load = CPU Auslastung
+cpu_temperature = CPU Temperatur
+disk_usage = Festplattennutzung
+cpu_voltage = CPU Spannung
+disk_swap = Swapgröße 
+memory_usage = Arbeitsspeichernutzung
+cpu_clock_speed = Taktfrequenz
+uptime = Betriebszeit
+wifi_signal = WLAN Signal
+wifi_signal_strength = WLAN Signalstärke
+fan_speed = Lüfter Drehzahl
+status = Status
+rpi_mqtt_monitor = RPi MQTT Monitor
+system_restart = System neustarten
+system_shutdown = System herunterfahren
+monitor_on = Monitor ein
+monitor_off = Monitor aus
+temperature = Temperatur
+rpi_power_status = RPi Stromstatus
+apt_updates = APT Updates
+humidity = Luftfeuchtigkeit
+used_space = belegter Speicherplatz
+voltage = Spannung
+update = Update
+external_sensors = Externe Sensoren