add changelog docs

build/release.sh

@@ -1,6 +1,16 @@
 git checkout master
 git merge dev
 
+basepath=$(dirname $0)
+
+if ! command_exists github_changelog_generator ; then
+    fail 'github_changelog_generator is required to publish packages'
+fi
+
+if [ -z "$CHANGELOG_GITHUB_TOKEN" ] ; then
+    fail 'You must set CHANGELOG_GITHUB_TOKEN environment variable\nhttps://github.com/skywinder/github-changelog-generator#github-token'
+fi
+
 #!/usr/bin/env sh
 set -e
 echo "Enter release version: "
@@ -12,6 +22,15 @@ if [[ $REPLY =~ ^[Yy]$ ]]
 then
   echo "Releasing $VERSION ..."
 
+  github_changelog_generator \
+    --header-label "## 更新日志" \
+    --bugs-label "**修复:**" \
+    --enhancement-label "**非兼容更新和新特性:**" \
+    --issues-label "**处理的 Issue:**" \
+    --pr-label "**合并的 Pull Request (可能有不兼容改动):**" \
+    --no-unreleased \
+    -o $basepath/../docs/examples-docs/changelog.md
+
   # build
   VERSION=$VERSION npm run dist