Setup release workflow

.github/workflows/release.yml

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+name: Release
+on:
+  workflow_dispatch:
+  repository_dispatch:
+    types: release
+
+jobs:
+  build:
+    name: Create Release
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+    - name: Get Version Number
+      uses: fwilhe2/bump-version@main
+      id: bump
+    - run: echo New Version Number ${{ steps.bump.outputs.newVersion }}
+    - name: Create Release
+      id: create_release
+      uses: actions/create-release@v1
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      with:
+        tag_name: ${{ steps.bump.outputs.newVersion }}
+        release_name: Release ${{ steps.bump.outputs.newVersion }}
+        draft: false
+        prerelease: false
+        body_path: release-notes-draft.md
+    - run: |
+        echo "" > release-notes-draft.md
+        git config --global user.name 'Florian Wilhelm'
+        git config --global user.email 'fwilhelm.wgt+github@gmail.com'
+        git commit -am "Prepare next development iteration"
+        git push

release-notes-draft.md

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+# New Features
+
+You can select the version component to update.
+By default, the `minor` version is updated.
+Valid values are `major`, `minor`, `patch`.
+
+Example to update the `patch` version:
+
+```yaml
+    - uses: fwilhe2/bump-version@main
+      id: bump
+      with:
+        component: patch
+    - run: echo ${{ steps.bump.outputs.newVersion }}
+```