Add build badges to README.md

README.md

@@ -1,7 +1,7 @@
 ## Overview of the `cardano-api` repository
 
 Integration of the [`ledger`](https://github.com/IntersectMBO/cardano-ledger), [`consensus`](https://github.com/IntersectMBO/ouroboros-consensus) and
-[networking](https://github.com/IntersectMBO/ouroboros-network/tree/master/ouroboros-network) repositories.
+[`networking`](https://github.com/IntersectMBO/ouroboros-network/tree/master/ouroboros-network) repositories.
 
 ## Contributing
 
@@ -20,3 +20,9 @@ See the [Contributing guide](CONTRIBUTING.md) for how to contribute to this proj
 Development documentation can be found in [Cardano Node Wiki](https://github.com/input-output-hk/cardano-node-wiki/wiki).
 
 Haddock documentation is available at: https://cardano-api.cardano.intersectmbo.org/
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+[![x86\_64-linux](https://img.shields.io/endpoint?url=https://ci.iog.io/job/IntersectMBO-cardano-api/main/x86_64-linux.required/shield&style=flat-square&label=x86_64-linux)](https://ci.iog.io/job/IntersectMBO-cardano-api/main/x86_64-linux.required)
+[![x86\_64-darwin](https://img.shields.io/endpoint?url=https://ci.iog.io/job/IntersectMBO-cardano-api/main/x86_64-darwin.required/shield&style=flat-square&label=x86_64-darwin)](https://ci.iog.io/job/IntersectMBO-cardano-api/main/x86_64-darwin.required)
+[![GHA Build](https://img.shields.io/github/actions/workflow/status/intersectmbo/cardano-api/haskell.yml?branch=main&label=GHA%20Build&style=flat-square)](https://github.com/IntersectMBO/cardano-api/actions/workflows/haskell.yml?query=branch%3Amain)
+[![Haddock](https://img.shields.io/github/actions/workflow/status/intersectmbo/cardano-api/github-page.yml?branch=main&label=Haddocks&style=flat-square)](https://github.com/IntersectMBO/cardano-api/actions/workflows/github-page.yml?query=branch%3Amain)
+