Function init

init(isShowDebugLog: boolean, pnu: string, dong: string, ho: string, user: string, homeID: number, logCallback: ((code: any) => void), loginCallback: ((code: any) => Promise<boolean>)): Promise<string>

iot-device-sdk-react has to be initialized with this API
logCallback is called with await

Returns
Function's result

Example
```
iot-device-sdk-react.init(false, "1929129192919", "101dong", "301ho", "Johnny", "10.200.18.212", 5555555, "adfjekcjvlkekmdfkjen ...", (code) => {addDevDebugMessage(logTable[code]), UserLogin)
```
Parameters
- isShowDebugLog: boolean
  
  More debugging message (true - console logs are increased)
- pnu: string
  
  Buildings information for device registration
- dong: string
  
  A Building information for device registration
- ho: string
  
  Home information for device registration
- user: string
  
  User information for device registration
- homeID: number
  
  Home ID information
- logCallback: ((code: any) => void)
  
  iot-device-sdk-react's log function
  - - (code: any): void
    - Parameters
      
      code: any
      
      Returns void
- loginCallback: ((code: any) => Promise<boolean>)
  
  User can handling login process as user own
  - - (code: any): Promise<boolean>
    - Parameters
      
      code: any
      
      Returns Promise<boolean>
Returns Promise<string>