v1.1.1 to merge some upstream PRs

1. Merge some upstream PRs

- Handling of errors - like unstable network - coming via SSL fhessel#89
- WIP: Prevent crash on WebSocket request to non-WebSocket node. fhessel#106
- Fix infinite loop when the buffer ends with \r fhessel#123
- Fixed memory leak in the Websocket example fhessel#157

2. Update examples and `README.md`

Author: khoih-prog

README.md

@@ -26,7 +26,12 @@ The library is listed in PlatformIO's [library registry](https://platformio.org/
 
 ```bash
 pio lib --global install https://github.com/khoih-prog/esp32_https_server.git
+```
+
+or for new PIO version
 
+```bash
+pio pkg install --global -l https://github.com/khoih-prog/esp32_https_server.git
 ```
 
 New release can take one or two days before they get picked up by the library crawler which makes them available in the registry. The version numbers of [releases](https://github.com/fhessel/esp32_https_server/releases) are based on [semantic versioning](https://semver.org/).