add nl language to web, add more translations

interface/src/i18n/en/index.ts

@@ -27,6 +27,7 @@ const en: BaseTranslation = {
   ENTITIES: 'Entities',
   REFRESH: 'Refresh',
   EXPORT: 'Export',
+  BRAND: "Brand",
   ENTITY_NAME: 'Entity Name',
   VALUE: 'Value',
   SHOW_FAV: 'only show favorites',
@@ -45,6 +46,12 @@ const en: BaseTranslation = {
   ACCESS_DENIED: 'Access Denied',
   ANALOG_SENSOR: 'Analog Sensor{post}',
   ANALOG_SENSORS: 'Analog Sensors',
+  OFFSET: "Offset",
+  FACTOR: "Factor",
+	FREQ: "Frequency",
+	STARTVALUE: "Start value",
+  WARN_GPIO: "Warning: be careful when assigning a GPIO!",
+  EDIT: "Edit",
   TEMP_SENSOR: 'Temperature Sensor{post}',
   TEMP_SENSORS: 'Temperature Sensors',
   WRITE_COMMAND: 'Write command {cmd}',