Actionci samd (#42)

* testing ci for samd

* skip msc_sd test

* test metro_m4

* change platforms

* midi_pizza_box_dj only test with cpb and cpx

* change test only to cpx_ada

* test metro_m0/m4 cpb nrf52840

* change back to adafruit/ci-arduino

wait for to adafruit/ci-arduino#65 re-run checks

* re-test msc_sd

Author: hathach

.github/workflows/githubci.yml

@@ -7,10 +7,10 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        arduino-platform: ["cpb"]
+        arduino-platform: ["metro_m0_tinyusb", "metro_m4_tinyusb", "cpb", "nrf52840"]
 
     runs-on: ubuntu-latest
-    
+
     steps:
     - name: Setup Python
       uses: actions/setup-python@v1