publish haddock in CI

- set correct subdirectory for docs
- add elucidating comment about deployment target

README.md

@@ -25,6 +25,8 @@ Open a development shell with `nix develop` and build the project with `cabal bu
 
 Documentation for Agora may be found in [docs](./docs).
 
+Haddock is deployed on GitHub Pages [here](https://liqwid-labs.github.io/agora/).
+
 ### Using Agora for your protocol
 
 If you are a protocol wanting to use Agora, read [Using Agora](./docs/using-agora.md).