docs: update README

README.md

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 # Interledger Kubernetes Helm Charts
+
+[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0) ![Release Charts](https://github.com/interledger/helm-charts/workflows/Release%20Charts/badge.svg?branch=main)
+
+This functionality is in alpha and is subject to change. The code is provided as-is with no warranties.
+
+## Usage
+
+[Helm](https://helm.sh) must be installed to use the charts.
+Please refer to Helm's [documentation](https://helm.sh/docs/) to get started.
+
+Once Helm is set up properly, add the repo as follows:
+
+```console
+helm repo add interledger https://interledger.github.io/helm-charts
+```
+
+You can then run `helm search repo interledger` to see the charts.
+
+## Contributing
+
+The source code of all [Interledger](https://interledger.org) community [Helm](https://helm.sh) charts can be found on Github: <https://github.com/interledger/helm-charts/>
+
+<!-- Keep full URL links to repo files because this README syncs from main to gh-pages.  -->
+
+We'd love to have you contribute!
+
+<!-- Please refer to our [contribution guidelines](https://github.com/interledger/helm-charts/blob/main/CONTRIBUTING.md) for details. -->
+
+## License
+
+<!-- Keep full URL links to repo files because this README syncs from main to gh-pages.  -->
+
+[Apache 2.0 License](https://github.com/interledger/helm-charts/blob/main/LICENSE).
+
+## Helm charts build status
+
+![Release Charts](https://github.com/interledger/helm-charts/workflows/Release%20Charts/badge.svg?branch=main)