ci: add release workflow

.github/release-drafter.yml

@@ -0,0 +1,4 @@
+template: |
+  ## What’s Changed
+
+  $CHANGES

.github/workflows/create-release.yml

@@ -0,0 +1,24 @@
+name: Create release
+
+on:
+  push:
+    branches: [ main ]
+  # pull_request:
+  #   branches:
+  #     - main
+
+permissions:
+  contents: read
+
+jobs:
+  update_release_draft:
+    permissions:
+      # write permission is required to create a github release
+      contents: write
+      pull-requests: write
+    runs-on: ubuntu-latest
+    steps:
+    - name: Release Drafter
+      uses: release-drafter/release-drafter@v5.25.0
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/push-package.yml

@@ -6,7 +6,7 @@ on:
   pull_request:
     # Sequence of patterns matched against refs/heads
     branches:
-      - main    
+      - main
 
 jobs:
   build:
@@ -27,7 +27,7 @@ jobs:
       run: dotnet test --configuration Release --no-build --verbosity normal
     - name: Pack release
       if: ${{ github.ref_name == 'main' }}
-      run: dotnet pack --configuration Release --no-build      
+      run: dotnet pack --configuration Release --no-build
     - name: Pack RC
       if: ${{ github.ref_name != 'main' }}
       run: dotnet pack --configuration Release --no-build --version-suffix "rc.${GITHUB_RUN_NUMBER}"