bump patch level (doc updates only)

changelog

 -*-change-log-*-
 
+0.6.1.1 Ross Paterson <R.Paterson@city.ac.uk> Aug 2023
+	* Additions to documentation, especially of AccumT.
+
 0.6.1.0 Ross Paterson <R.Paterson@city.ac.uk> Feb 2023
 	* Add instances of Foldable1 (class added to base-4.18)
 	* Add modifyM to StateT transformers

transformers.cabal

 name:         transformers
-version:      0.6.1.0
+version:      0.6.1.1
 license:      BSD3
 license-file: LICENSE
 author:       Andy Gill, Ross Paterson
@@ -31,6 +31,10 @@ description:
     the @mtl@ or @monads-tf@ packages, which automatically lift operations
     introduced by monad transformers through other transformers.
 build-type: Simple
+extra-doc-files:
+    images/bind-AccumT.svg
+    images/bind-ReaderT.svg
+    images/bind-WriterT.svg
 extra-source-files:
     changelog
 cabal-version: >= 1.10