fix

.github/workflows/main.yml

@@ -55,8 +55,13 @@ jobs:
           # 3. Push release tag.
           git tag "${VERSION}" "HEAD"
           git push origin "${VERSION}"
-      
+
+          # 4. Create release tarball
+          git archive -o "${RUNNER_TEMP}/archive.tar.gz" "${VERSION}"
+          echo "tarball-path=${RUNNER_TEMP}/archive.tar.gz" >> "${GITHUB_OUTPUT}"
+
       - name: Create GitHub Release
+        id: "create-release"
         uses: actions/create-release@v1
         with:
           tag_name: ${{ steps.tag.outputs.version }}
@@ -66,7 +71,16 @@ jobs:
 
             To use this module, please add the following to `MODULE.bazel`:
 
-            ```
+            ```starlark
             bazel_dep(name = "engflowapis", version = "${{ steps.tag.outputs.version }}")
             ```
           prerelease: true
+
+      - name: Upload Tarball
+        id: upload-release-asset 
+        uses: actions/upload-release-asset@v1
+        with:
+          upload_url: ${{ steps.create-release.outputs.upload_url }}
+          asset_path: ${{ steps.create-release.outputs.tarball-path }}
+          asset_name: engflowapis-${{ steps.tag.outputs.version }}.tar.gz
+          asset_content_type: "application/gzip"