docs: create ecosystem section (#13562)

* create ecosystem section

* add mention of ethermint

docs/docs/cosmwasm/_category_.json

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-{
-    "label": "CosmWasm",
-    "position": 9,
-    "link": null
-}

docs/docs/ecosystem/README.md

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 sidebar_position: 1
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-# CosmWasm smart contracts
+# Ecosystem 
+
+This section highlights some of the cosmos ecosystem tooling and where to find it. 
+
+## IBC
+
+See the official [`ibc-go` documentation](https://ibc.cosmos.network).
+
+## CosmWasm smart contracts
 
 >CosmWasm is a smart contracting platform built for the Cosmos ecosystem. Simply put, it's the Cosmos (Cosm) way of using WebAssembly (Wasm) hence the name.
 
 >CosmWasm is written as a module that can plug into the Cosmos SDK. This means that anyone currently building a blockchain using the Cosmos SDK can quickly and easily add CosmWasm smart contracting support to their chain, without adjusting existing logic.
 
 Read more about writing smart contracts with CosmWasm at their [documentation site](https://docs.cosmwasm.com/docs/1.0/), or visit [the repository](https://github.com/CosmWasm/cosmwasm).
+
+## EVM
+
+Read more about writing smart contracts with solidity at the official [`evm` documentation page](https://docs.evmos.org/modules/evm/).
+
+
+
+> Note: If you would like to add your tooling to this section, please make a pr to the cosmos-sdk, we will gladly accept it. 

docs/docs/ecosystem/_category_.json

@@ -1,5 +1,5 @@
 {
-    "label": "IBC",
+    "label": "Ecosystem",
     "position": 8,
     "link": null
-}
+}

docs/docs/ibc/README.md

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-sidebar_position: 1
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-
-# IBC
-
-See the official [`ibc-go` documentation](https://ibc.cosmos.network).