Added exmaple gitlab valhalla pnpm template (#36)

* Added example pnpm valhalla template

* README update

---------

Co-authored-by: Mateusz Witkowski <mateusz.witkowski@softnet.com.pl>

examples/README.md

@@ -3,4 +3,9 @@
 - [gitlab-maven-logchange](https://github.com/logchange/valhalla/blob/master/examples/valhalla-gitlab-maven-logchange.yml)
     - Using GitLab (tested at self-hosted, but probably doesn't matter)
     - Maven Project
-    - Changelog developed with [logchange](https://github.com/logchange/logchange)
+    - Changelog developed with [logchange](https://github.com/logchange/logchange)
+
+- [gitlab-pnpm-logchange](https://github.com/logchange/valhalla/blob/master/examples/valhalla-gitlab-pnpm-logchange.yml)
+  - Using GitLab (tested at self-hosted, but probably doesn't matter)
+  - Pnpm Project
+  - Changelog developed with [logchange](https://github.com/logchange/logchange)

examples/valhalla-gitlab-pnpm-logchange.yml

@@ -0,0 +1,47 @@
+# This file is used by valhalla tool to create release 🌌
+# Visit https://github.com/logchange/valhalla and leave a star 🌟
+# More info about configuration you can find https://github.com/logchange/valhalla#%EF%B8%8F-configuration ⬅️
+
+git_host: gitlab
+
+variables:
+  PACKAGE_NAME: "my-project"
+
+commit_before_release:
+  enabled: True
+  username: "ReleaseBot"
+  email: "release@logchange.dev"
+  msg: "Preparation for releasing version {VERSION}"
+  before:
+    - pnpm pkg set version={VERSION}
+    - logchange release --versionToRelease "{VERSION}"
+
+release:
+  name: "Release name {VERSION}"
+  description:
+    from_command: "cat changelog/v{VERSION}/version-summary.md"
+  assets:
+    links:
+      - name: NPM Package
+        url: https://registry.my/#browse/browse:npm-private:{PACKAGE_NAME}%2F{PACKAGE_NAME}-{VERSION}.tgz
+        link_type: package
+
+commit_after_release:
+  enabled: True
+  username: "ReleaseBot"
+  email: "release@logchange.dev"
+  msg: "[CI SKIP] Preparation for next release iteration"
+  before:
+    # https://www.mojohaus.org/versions/versions-maven-plugin/set-mojo.html
+    # https://www.mojohaus.org/build-helper-maven-plugin/parse-version-mojo.html
+    # Update to next minor version by default f.e. 24.1.0 -> 24.2.0 and handle also 24.2.3 -> 24.3.0
+    - pnpm version minor --no-git-tag-version
+    - pnpm pkg get version | sed -E 's/^"(.*)"$/\1-SNAPSHOT/' | xargs -I {} pnpm pkg set version={}
+
+
+merge_request:
+  enabled: True
+  title: "Releasing version {VERSION} and preparation for next iteration"
+  reviewers:
+    - marwin1991
+    - witx98