ci: support automatically creating github release (#34)

Co-authored-by: xiaoweii <xiaoweii@amazom.com>

Author: zhu-xiaowei

.github/release.yml

@@ -0,0 +1,11 @@
+changelog:
+  categories:
+    - title: Feature
+      labels:
+        - enhancement
+    - title: Fix
+      labels:
+        - bug
+    - title: Other Changes
+      labels:
+        - "*"

.github/workflows/release.yml

@@ -27,3 +27,12 @@ jobs:
           git add .
           git commit -m 'release: clickstream Swift ${{ env.NEW_VERSION }}'
           git push
+          git tag ${{ env.NEW_VERSION }}
+          git push origin ${{ env.NEW_VERSION }}
+      - name: Create GitHub release
+        uses: softprops/action-gh-release@v1
+        with:
+          name: "Clickstream Swift ${{ env.NEW_VERSION }}"
+          tag_name: "${{ env.NEW_VERSION }}"
+          prerelease: true
+          generate_release_notes: true