update readme (#224)

Author: dghelm

readme.md

@@ -2,18 +2,15 @@
 [![Twitter Follow](https://img.shields.io/twitter/follow/Scroll_ZKP?style=social)](https://twitter.com/Scroll_ZKP)
 [![Discord](https://img.shields.io/discord/984015101017346058?color=%235865F2&label=Discord&logo=discord&logoColor=%23fff)](https://discord.gg/scroll)
 
-> [!WARNING]
-> Scroll SDK is experimental software and although ready for testnets, is not yet fully configured for production usage.
-
 ## Introduction
 
 Scroll SDK allows anyone to quickly deploy an instance of the Scroll zkEVM and its rollup architecture for deploying an L2 on Ethereum.
 
-For more information, please see the [Scroll SDK Documentation](https://docs.scroll.io/en/sdk/).
+For more information, please see the [Scroll SDK Documentation](https://docs.scroll.io/en/sdk/) or our [launch announcement](https://scroll.io/blog/scroll-sdk-and-gadgets-building-the-foundation-for-ethereums-multichain-future).
 
 ## Repo
 This repo contains:
-- `ansible/playbooks`: Code for deploying provers on new machines(experimental)
+- `ansible/playbooks`: Code for deploying provers on new machines (experimental)
 - `charts/`: Helm charts used in deplying a Scroll SDK based chain using Kubernetes
 - `custom-images/`: Docker images used for running a local devnet and as building base images
 - `devnet/`: A quick start, basic configuration for setting up a local devnet
@@ -25,10 +22,25 @@ Additional SDK tooling is available in our [scroll-sdk-cli](https://www.github.c
 
 To get started using the repo, checkout our guides on running [a local devnet deployment](https://docs.scroll.io/en/sdk/guides/devnet-deployment/), [an alt-gas token testnet on Digital Ocean](https://docs.scroll.io/en/sdk/guides/digital-ocean-alt-gas-token/), an [AWS deployment](https://docs.scroll.io/en/sdk/guides/aws-deployment/), or see our [production deployment](https://docs.scroll.io/en/sdk/guides/production-deployment/) page.
 
+## Third-Party Scroll SDK Charts
+
+> [!NOTE]
+> The following charts are developed and maintained by third parties. Please use with caution.
+
+Proving Services:
+- [Sindri](https://github.com/Sindri-Labs/sindri-scroll-sdk/)
+
+## Other Scroll SDK Repos
+
+- [Scroll SDK CLI](https://www.github.com/scroll-tech/scroll-sdk-cli)
+- [Scroll Proving SDK](https://www.github.com/scroll-tech/scroll-proving-sdk)
+
 ## Contributing
 
 The SDK is currently under heavy development, so if you wish to contribute, we recommend reaching out and coordinating closely with the Scroll team.
 
+If you want to make custom modifications to any service, you can follow our guide on [Customizing SDK Components](https://docs.scroll.io/en/sdk/guides/customizing-sdk-components/).
+
 ## License
 
 This project is licensed under the MIT License. See the [LICENSE](./LICENSE) file for more details.