Merge pull request #121 from akegaviar/add-chainstack

Add Chainstack as node provider

docs/tools/rpc/README.mdx

@@ -87,5 +87,7 @@ WebSockets are recommended to push new logs as available.
 ## Providers documentation
 - [Ankr Protocol](https://www.ankr.com/protocol/public/gnosis/) 
 - [Blast](https://blastapi.io/public-api/gnosis)
+- [Chainstack](https://chainstack.com/build-better-with-gnosis-chain/) 
+  - [Soulbound tokens tutorial](https://docs.chainstack.com/tutorials/gnosis/simple-soulbound-token-with-remix-and-openzeppelin)
 - [GetBlock](https://getblock.io/)
-- [Pokt](https://docs.pokt.network/home/use/public-rpc/gnosis-chain)
+- [Pokt](https://docs.pokt.network/home/use/public-rpc/gnosis-chain)