haddock-api: add changelog pointing to haddock's changelog

hvr · hvr · commit c88ad928fbd8 · 2017-07-20T10:17:48.000+02:00
This addresses haskell/haddock#638 (comment)
diff --git a/haddock-api/CHANGES.md b/haddock-api/CHANGES.md
@@ -0,0 +1 @@
+See [`haddock`'s changelog](https://hackage.haskell.org/package/haddock/changelog).
diff --git a/haddock-api/haddock-api.cabal b/haddock-api/haddock-api.cabal
@@ -15,6 +15,9 @@ build-type:           Simple
 cabal-version:        >= 2.0
 stability:            experimental
 
+extra-source-files:
+  CHANGES.md
+
 data-dir:
   resources
 data-files:

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	+See [`haddock`'s changelog](https://hackage.haskell.org/package/haddock/changelog).