[Settings] General setting page

[realcodesiman]

DoD

Handle the below fields:

• Default Reply: mặc định None, chưa cần API
• Target country
• Default Language
• Account Timezone
• Brand Color
• Development Mode

Data:

• list timezones const timeZones = Intl.supportedValuesOf('timeZone');
• list countries https://www.npmjs.com/package/countries-and-timezones
• list languages: only support en + vi, check country codes https://www.npmjs.com/package/i18n-iso-countries

Actions:

• load data
• update form