feat(ci): sync description on hub.docker.io

.gitea/workflows/release.yml

@@ -31,8 +31,9 @@ jobs:
         version: "~> v2"
         args: release --clean
 
-  sync-container-image:
-    needs: release
+  sync-to-hub-docker-io:
+    needs:
+    - release
     runs-on: ubuntu-latest
     steps:
     - name: Copy images to docker.io
@@ -48,4 +49,4 @@ jobs:
           --src-password ${{ secrets.GIT_CRYPTIC_SYSTEMS_PACKAGE_REGISTRY_TOKEN }} \
           --src-username volker.raschek \
             docker://git.cryptic.systems/volker.raschek/dcmerge:${TAG} \
-            docker://docker.io/volkerraschek/dcmerge:${TAG}
+            docker://docker.io/volkerraschek/dcmerge:${TAG}

.gitea/workflows/update-docker-hub-description.yml

@@ -0,0 +1,22 @@
+name: Update Docker Hub Description
+on:
+  push:
+    branches:
+    - master
+    paths:
+    - README.md
+
+jobs:
+  update-description-on-hub-docker-io:
+    needs:
+    - sync-container-image
+    runs-on:
+    - ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4.2.2
+    - uses: peter-evans/dockerhub-description@v4.0.2
+      with:
+        username: ${{ secrets.DOCKER_IO_USERNAME }}
+        password: ${{ secrets.DOCKER_IO_PASSWORD }}
+        repository: peterevans/dockerhub-description
+        readme-filepath: README.md