docs: add set subset KV example

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yhliyr 2023-09-27 14:55:52 +08:00 committed by GitHub
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@ -222,6 +222,7 @@ These could be from a command line flag, or from your own application logic.
```go
viper.Set("Verbose", true)
viper.Set("LogFile", LogFile)
viper.Set("host.port", 5899) // set subset
```
### Registering and Using Aliases