create release

.github/workflows/build.yml

@@ -3,3 +3,40 @@ on: [push, pull_request, workflow_dispatch]
 jobs:
   build:
     uses: zmkfirmware/zmk/.github/workflows/build-user-config.yml@main
+
+  release:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Get the latest commit message
+        id: get_commit
+        run: echo "::set-output name=message::$(git log -1 --pretty=%B)"
+
+      - name: Download firmware artifact
+        uses: actions/download-artifact@v3
+        with:
+          name: firmware
+          path: ./firmware
+
+      - name: Create GitHub Release
+        uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.sha }}
+          release_name: ${{ steps.get_commit.outputs.message }}
+          body: |
+            Release created for commit ${{ github.sha }}.
+          draft: false
+          prerelease: false
+
+      - name: Upload Firmware to Release
+        uses: actions/upload-release-asset@v1
+        with:
+          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          asset_path: ./firmware
+          asset_name: firmware.zip
+          asset_content_type: application/zip