v1.3.1 to update PIO

### Release v1.3.1

1. Update `platform.ini` and `library.json` to use original `khoih-prog` instead of `khoih.prog` after PIO fix
2. Update `Packages' Patches`

Author: khoih-prog

README.md

@@ -276,7 +276,7 @@ You can also use this link [![arduino-library-badge](https://www.ardu-badge.com/
 
 1. Install [VS Code](https://code.visualstudio.com/)
 2. Install [PlatformIO](https://platformio.org/platformio-ide)
-3. Install [**ESP_AT_WiFiManager** library](https://platformio.org/lib/show/7136/ESP_AT_WiFiManager) by using [Library Manager](https://platformio.org/lib/show/7136/ESP_AT_WiFiManager/installation). Search for **ESP_AT_WiFiManager** in [Platform.io Author's Libraries](https://platformio.org/lib/search?query=author:%22Khoi%20Hoang%22)
+3. Install [**ESP_AT_WiFiManager** library](https://platformio.org/lib/show/11286/ESP_AT_WiFiManager) by using [Library Manager](https://platformio.org/lib/show/11286/ESP_AT_WiFiManager/installation). Search for **ESP_AT_WiFiManager** in [Platform.io Author's Libraries](https://platformio.org/lib/search?query=author:%22Khoi%20Hoang%22)
 4. Use included [platformio.ini](platformio/platformio.ini) file from examples to ensure that all dependent libraries will installed automatically. Please visit documentation for the other options and examples at [Project Configuration File](https://docs.platformio.org/page/projectconf.html)