v1.0.0 for Portenta_H7

### Initial Releases v1.0.0

1. Initial coding to support **Portenta_H7 boards** such as Portenta_H7 Rev2 ABX00042, etc., using [**ArduinoCore-mbed mbed_portenta** core](https://github.com/arduino/ArduinoCore-mbed) with `Vision-shield Ethernet` ot `Murata WiFi`

Author: khoih-prog

CONTRIBUTING.md

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+## Contributing to Portenta_H7_AsyncHTTPRequest
+
+### Reporting Bugs
+
+Please report bugs in [Portenta_H7_AsyncHTTPRequest](https://github.com/khoih-prog/Portenta_H7_AsyncHTTPRequest/issues/new) if you find them.
+
+However, before reporting a bug please check through the following:
+
+* [Existing Open Issues](https://github.com/khoih-prog/Portenta_H7_AsyncHTTPRequest/issues) - someone might have already encountered this.
+
+If you don't find anything, please [open a new issue](https://github.com/khoih-prog/Portenta_H7_AsyncHTTPRequest/issues/new).
+
+### How to submit a bug report
+
+Please ensure to specify the following:
+
+* Arduino IDE version (e.g. 1.8.16) or Platform.io version
+* `ArduinoCore-mbed` Core Version (e.g. `ArduinoCore-mbed` mbed_portenta core v2.5.2)
+* `Portenta_H7` Board type (e.g. Portenta_H7 Rev2 ABX00042, etc.)
+* Contextual information (e.g. what you were trying to achieve)
+* Simplest possible steps to reproduce
+* Anything that might be relevant in your opinion, such as:
+  * Operating system (Windows, Ubuntu, etc.) and the output of `uname -a`
+  * Network configuration
+
+
+### Example
+
+```
+Arduino IDE version: 1.8.16
+`ArduinoCore-mbed` mbed_portenta core v2.5.2
+Portenta_H7 Rev2 ABX00042
+OS: Ubuntu 20.04 LTS
+Linux xy-Inspiron-3593 5.4.0-86-generic #97-Ubuntu SMP Fri Sep 17 19:19:40 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
+
+Context:
+I encountered an endless loop while trying to connect to Local WiFi.
+
+Steps to reproduce:
+1. ...
+2. ...
+3. ...
+4. ...
+```
+
+### Sending Feature Requests
+
+Feel free to post feature requests. It's helpful if you can explain exactly why the feature would be useful.
+
+There are usually some outstanding feature requests in the [existing issues list](https://github.com/khoih-prog/Portenta_H7_AsyncHTTPRequest/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement), feel free to add comments to them.
+
+### Sending Pull Requests
+
+Pull Requests with changes and fixes are also welcome!