added workflow to compute the checksum

.github/workflows/compute-checksum.yml

@@ -0,0 +1,19 @@
+name: Compute SHA-256 on Release
+
+on:
+  release:
+    types: [ published ]
+
+jobs:
+  compute-checksum:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Compute SHA-256 checksum
+        run: |
+          curl -sfL https://github.com/${{ github.repository }}/archive/refs/tags/${{ github.event.release.tag_name }}.zip | sha256sum > ${{ github.event.release.tag_name }}.zip_sha256.txt
+
+      - name: Upload checksum to release
+        uses: softprops/action-gh-release@v2
+        with:
+          files: ${{ github.event.release.tag_name }}.zip_sha256.txt

README.md

@@ -334,7 +334,7 @@ It is strongly recommended checking the [re-blank-plugin](https://github.com/pon
 
 Release notes
 -------------
-#### 1.8.0 - 2024/12/21
+#### 1.8.0 - 2024/12/22
 
 - Added support for optional patch metadata files (rsmeta) introduced in SDK 4.6.0