Feat/releasenotes (#17)

* add release notes, start with PR mode

.github/workflows/release.yaml

@@ -30,3 +30,16 @@ jobs:
           tag: ${{ github.ref_name }}
           file: ./releases/*
           file_glob: true
+
+      - name: Build Changelog
+        id: github_release
+        uses: mikepenz/release-changelog-builder-action@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          mode: "PR"
+
+      - name: Create Release
+        uses: mikepenz/action-gh-release@v0.2.0-a03
+        with:
+          body: ${{steps.github_release.outputs.changelog}}