Add a draft for the release.

Author: freakboy3742

.github/workflows/release.yaml

@@ -39,6 +39,11 @@ jobs:
         release_name: ${{ github.ref }}
         draft: true
         prerelease: false
+        body: |
+          Build ${{ env.BUILD_NUMBER }} of the BeeWare support package for Python ${{ env.PY_VERSION }}.
+
+          Includes:
+          * Python ${{ env.PY_VERSION }}.?
     - name: Upload Release Asset to Github
       uses: actions/upload-release-asset@v1
       env: