add changelog

Author: frangio

.github/workflows/release.yml

@@ -11,5 +11,9 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v3
+      - uses: frangio/extract-changelog@v1
+        id: changelog
       - name: Release
         uses: softprops/action-gh-release@v1
+        with:
+          body_path: ${{ steps.changelog.outputs.file }}

CHANGELOG.md

@@ -0,0 +1,5 @@
+# Changelog
+
+## 1.0.2
+
+- Added `StandardMerkleTree` methods `verify` and `verifyMultiProof`.