Create sha256.yml

.github/workflows/sha256.yml

@@ -0,0 +1,14 @@
+name: sha256 release action
+run-name: ${{ github.actor }} is publishing release ${{ github.ref_name }}
+on:
+  release:
+    types: [published]
+jobs:
+  sha256:
+    name: sha256
+    runs-on: ubuntu-latest
+    steps:
+      - name: url
+        run: echo "${{ github.server_url }}/${{ github.repository }}/archive/refs/tags/${{ github.ref_name }}.exe"
+      - name: Create tarball sha256 
+        run: curl -sL "${{ github.server_url }}/${{ github.repository }}/archive/refs/tags/${{ github.ref_name }}.exe" | shasum -a 256 | cut -d " " -f 1