add release drafter config (#107)

Signed-off-by: Benjamin Huo <benjamin@kubesphere.io>

.github/release-drafter.yml

@@ -0,0 +1,46 @@
+name-template: 'v$RESOLVED_VERSION'
+tag-template: 'v$RESOLVED_VERSION'
+template: |
+  # What's Changed
+
+  $CHANGES
+
+  **Full Changelog**: https://github.com/$OWNER/$REPOSITORY/compare/$PREVIOUS_TAG...v$RESOLVED_VERSION
+
+categories:
+  - title: '💥 Breaking'
+    label: 'type: breaking'
+  - title: '✨ New'
+    label: 'type: feature'
+  - title: '🐛 Bug Fixes'
+    label: 'type: bug'
+  - title: '🏗️ Maintenance'
+    label: 'type: maintenance'
+  - title: '🔒 Security'
+    label: 'type: security'
+  - title: '👷 CI/CD'
+    label: 'type: cicd'
+  - title: '📝 Documentation'
+    label: 'type: docs'
+  - title: 'Other changes'
+  - title: '🏷️ Dependency Updates'
+    label: 'type: dependencies'
+    collapse-after: 5
+
+version-resolver:
+  major:
+    labels:
+      - 'type: breaking'
+  minor:
+    labels:
+      - 'type: feature'
+  patch:
+    labels:
+      - 'type: bug'
+      - 'type: maintenance'
+      - 'type: docs'
+      - 'type: dependencies'
+      - 'type: cicd'
+
+exclude-labels:
+  - 'skip-changelog'