en to en_US translation catalogue (4 entries)

[ctx: ClientHandler]
en: Fan A alarm
en_US: Fan B alarm

[ctx: FormChargeRecords]
en: Chorging Records
en_US: Charging Records

[ctx: FormConfigurationKey]
en: Configuration Key
en_US: Configure OCPP 1.6

[ctx: FormSettings]
en: Import & Export
en_US: Import & Expor
