Fix code base lint error (#1936)

Author: alexandratran

services/concepts/curl.md

@@ -74,7 +74,7 @@ The example specifies the `Content-Type` to be `application/json` which means th
 
 The `-d` or `--data` flag specifies more information sent along with the curl request.
 
-In the example, the data object is a list of key value pairs in JSON format. This follows the [JSON RPC 2.0 specification ](https://www.jsonrpc.org/specification)which requires the four specific keys seen here.
+In the example, the data object is a list of key value pairs in JSON format. This follows the [JSON RPC 2.0 specification](https://www.jsonrpc.org/specification) which requires the four specific keys seen here.
 
 The `method`, `params`, and `id` values are modifiable.
 

src/components/GasApiNetworks.tsx

@@ -1,13 +1,17 @@
 import React, { useEffect, useState } from 'react';
 
+interface NetworkData {
+  [chainId: string]: string;
+}
+
 const GasApiNetworks = () => {
-  const [networks, setNetworks] = useState({});
+  const [networks, setNetworks] = useState<NetworkData>({});
 
   useEffect(() => {
     const fetchData = async () => {
       try {
         const response = await fetch('https://gas.api.cx.metamask.io/v1/supportedChainNames');
-        const data = await response.json();
+        const data: NetworkData = await response.json();
         setNetworks(data);
       } catch (error) {
         console.error('Error fetching data:', error);