v1.1.1

### Major Releases v1.1.1

1. Add **MultiWiFi feature to auto(Re)connect to the best WiFi at runtime**
2. Fix bug, typo and minor improvement.
3. Completely enhanced examples to use new MultiWiFi feature.
4. Add setCORSHeader function to allow **configurable CORS Header**. See [Using CORS feature](https://github.com/khoih-prog/ESPAsync_WiFiManager#15-using-cors-cross-origin-resource-sharing-feature)
5. Bump up to v1.1.1 to sync with [ESP_WiFiManager v1.0.11](https://github.com/khoih-prog/ESP_WiFiManager/releases/tag/v1.1.1).

Author: khoih-prog