improving gitlab-ci: automated releases

.gitlab-ci.yml

+stages:
+  - build
+  - release
+
 # see https://www.msys2.org/docs/ci/#gitlab
 Windows-MSYS2-MINGW64:
+  stage: build
   only:
   - tags
   tags: [ windows, msys2 ]
@@ -38,6 +43,24 @@ Windows-MSYS2-MINGW64:
     mv .gitignore template/
     zip -r template-windows.zip template/
     '
-  artifacts:
-    paths:
-    - template-windows.zip
\ No newline at end of file
+  - |
+    C:\msys64\usr\bin\bash -lcx '
+    curl --header "PRIVATE-TOKEN: $CI_JOB_TOKEN" \
+    --upload-file template-windows.zip \
+    "https://gitlab.com/api/v4/projects/$CI_PROJECT_ID/packages/generic/cutelib-hsrt/$CI_COMMIT_TAG/template-windows.zip"'
+
+Publish:
+  stage: release
+  image: registry.gitlab.com/gitlab-org/release-cli:latest
+  script:
+    - echo "Creating GitLab Release $CI_COMMIT_TAG..."
+  release:
+    name: "Release $CI_COMMIT_TAG"
+    tag_name: "$CI_COMMIT_TAG"
+    description: "Automated release including Windows builds." # & Linux
+    assets:
+      links:
+        - name: "Windows Template"
+          url: "https://gitlab.com/api/v4/projects/$CI_PROJECT_ID/packages/generic/cutelib-hsrt/$CI_COMMIT_TAG/template-windows.zip"
+        #- name: "Linux Template"
+        #  url: "https://gitlab.com/api/v4/projects/$CI_PROJECT_ID/packages/generic/cutelib-hsrt/$CI_COMMIT_TAG/template-linux.zip"