chore: add own action

Author: florianow

.github/workflows/release.yml

@@ -26,23 +26,13 @@ jobs:
       - name: Bundle with ncc
         run: npx ncc build lib/index.js -o dist
 
-      - name: Create release
-        id: create_release
-        uses: actions/create-release@v1
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        with:
-          tag_name: ${{ github.ref }}
-          release_name: Release ${{ github.ref }}
-          draft: false
-          prerelease: false
-
-      - name: Upload release asset
+       - name: Upload release asset
+        if: env.RELEASE_EXISTS == 'true'
         uses: actions/upload-release-asset@v1
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
-          upload_url: ${{ steps.create_release.outputs.upload_url }}
+          upload_url: ${{ github.api_url }}/repos/${{ github.repository }}/releases/tags/${{ github.ref }}
           asset_path: ./dist/index.js
           asset_name: index.js
           asset_content_type: application/javascript