Add da explora

.github/workflows/main_matrix.yml

@@ -73,6 +73,8 @@ jobs:
           - board: m5stack-coreink
           - board: tbeam-s3-core
           - board: tlora-t3s3-v1
+          - board: nano-g1
+          - board: nano-g1-explorer
     uses: ./.github/workflows/build_esp32.yml
     with:
       board: ${{ matrix.board }}