Added rules for pluggable discoveries and monitor

[cmaglie]

No description provided.

[ArduinoBot]

✅ Build completed.

⬇️ Build URL: http://downloads.arduino.cc/PR/samd/package_samd-b214_index.json

ℹ️ To test this build:

1. Open the Preferences of the Arduino IDE.
2. Add the Build URL above in the Additional Boards Manager URLs field, and click OK.
3. Open the Boards Manager (menu Tools->Board->Board Manager...)
4. Install Arduino SAMD core - Pull Request Added rules for pluggable discoveries and monitor #648
5. Select one of the boards under SAMD Pull Request Added rules for pluggable discoveries and monitor #648 in Tools->Board menu
6. Compile/Upload as usual

[facchinm]

@cmaglie is it mergeable / definitive 🙂 ?

[ArduinoBot]

✅ Build completed.

⬇️ Build URL: http://downloads.arduino.cc/PR/samd/package_samd-b217_index.json

ℹ️ To test this build:

1. Open the Preferences of the Arduino IDE.
2. Add the Build URL above in the Additional Boards Manager URLs field, and click OK.
3. Open the Boards Manager (menu Tools->Board->Board Manager...)
4. Install Arduino SAMD core - Pull Request Added rules for pluggable discoveries and monitor #648
5. Select one of the boards under SAMD Pull Request Added rules for pluggable discoveries and monitor #648 in Tools->Board menu
6. Compile/Upload as usual