Merge pull request #11269 from ethereum/staking-directory

Add staking.directory to staking category pages

Author: corwintines

src/content/staking/pools/index.md

@@ -81,5 +81,6 @@ Some pooling options are more decentralized than others when it comes to the nod
 
 ## Further reading {#further-reading}
 
+- [The Ethereum Staking Directory](https://www.staking.directory/) - _Eridian and Spacesider_
 - [Staking with Rocket Pool - Staking Overview](https://docs.rocketpool.net/guides/staking/overview.html) - _RocketPool docs_
 - [Staking Ethereum With Lido](https://help.lido.fi/en/collections/2947324-staking-ethereum-with-lido) - _Lido help docs_

src/content/staking/saas/index.md

@@ -91,4 +91,5 @@ Contact individual SaaS provider for more details on any guarantees or insurance
 
 ## Further reading {#further-reading}
 
+- [The Ethereum Staking Directory](https://www.staking.directory/) - _Eridian and Spacesider_
 - [Evaluating Staking Services](https://www.attestant.io/posts/evaluating-staking-services/) - _Jim McDonald 2020_

src/content/staking/solo/index.md

@@ -195,6 +195,7 @@ To unlock and receive your entire balance back you must also complete the proces
 
 ## Further reading {#further-reading}
 
+- [The Ethereum Staking Directory](https://www.staking.directory/) - _Eridian and Spacesider_
 - [Ethereum's Client Diversity Problem](https://hackernoon.com/ethereums-client-diversity-problem) - _@emmanuelawosika 2022_
 - [Helping Client Diversity](https://www.attestant.io/posts/helping-client-diversity/) - _Jim McDonald 2022_
 - [Client diversity on Ethereum's consensus layer](https://mirror.xyz/jmcook.eth/S7ONEka_0RgtKTZ3-dakPmAHQNPvuj15nh0YGKPFriA) - _jmcook.eth 2022_