add release drafter

Author: mobula9

.github/release-drafter.yml

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

.github/workflows/release-drafter.yml

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+name: Release Drafter
+
+on:
+  push:
+    # branches to consider in the event; optional, defaults to all
+    branches:
+      - master
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-latest
+    steps:
+      # Drafts your next Release notes as Pull Requests are merged into "master"
+      - name: Create draft release
+        uses: release-drafter/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}