v1.2.0

### Releases v1.2.0

1. Restore cpp code besides Impl.h code to use in case of `multiple definition` linker error. See [`Change Implementation to seperate *.h and *.cpp file instead of *.h and *-Impl.h`](khoih-prog/ESP_WiFiManager#38) and [`Support building in PlatformIO PR`](khoih-prog/ESP_WiFiManager#20). Also have a look at [**HOWTO Fix Multiple Definitions Linker Error**](https://github.com/khoih-prog/ESPAsync_WiFiManager#HOWTO-Fix-Multiple-Definitions-Linker-Error)
2. Fix bug [/close does not close the config portal](#16).

Author: khoih-prog

README.md

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