Add changelog entry

Author: phadej

changelog.d/z-changelog-d

@@ -0,0 +1,8 @@
+synopsis: Try changelog-d for changelog management
+prs: #1230
+
+description: {
+
+Check the [CONTRIBUTING.md](https://github.com/haskell-servant/servant/blob/master/CONTRIBUTING.md) for details
+
+}