Change the kernel bin name, upload built UF2.

.github/workflows/build.yml

@@ -54,3 +54,9 @@ jobs:
         id: west-build
         with:
           args: 'build "-s app -b ${{ matrix.board }} -- -DSHIELD=petejohanson_proton_handwire"'
+      - name: Archive Build
+        uses: actions/upload-artifact@v2
+        if: ${{ matrix.board == "nice_nano "}}
+        with:
+          name: zmk-uf2
+          path: build/zephyr/zmk.uf2

app/prj.conf

@@ -1,2 +1,3 @@
 # CONFIG_LOG=y
 # CONFIG_ZMK_LOG_LEVEL_DBG=y
+CONFIG_KERNEL_BIN_NAME="zmk"