fix(Vercel): change rpc env var name

README.md

@@ -26,9 +26,9 @@ Please, click on "Deploy" and follow the Vercel instructions.
 To deploy the app, you will need to set the following two required environment variables:
 
 1. `ETHERSCAN_API_KEY`: Your Etherscan API key.
-2. `VERCEL_MAINNET_RPC_URLS`: A comma-separated list of preferred Mainnet RPC URLs (e.g., URL1,URL2,URL3,...); The first entry is primary, else are fallbacks.
+2. `MAINNET_RPC_URLS`: A comma-separated list of preferred Mainnet RPC URLs (e.g., URL1,URL2,URL3,...); The first entry is primary, else are fallbacks.
 
-[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https://github.com/lidofinance/dao-voting-ui&env=ETHERSCAN_API_KEY,VERCEL_MAINNET_RPC_URLS&project-name=lido-voting-ui&repository-name=lido-voting-ui)
+[![Deploy with Vercel](https://vercel.com/button)](https://vercel.com/new/clone?repository-url=https://github.com/lidofinance/dao-voting-ui&env=ETHERSCAN_API_KEY,MAINNET_RPC_URLS&project-name=lido-voting-ui&repository-name=lido-voting-ui)
 
 Note: If the GitHub account attached to Vercel is a part of any GitHub organization, the Vercel "Pro" subscription plan might be required.
 

next.config.mjs

@@ -1,10 +1,10 @@
 const basePath = process.env.BASE_PATH || ''
 
 
-// The VERCEL_MAINNET_RPC_URLS gets from the Vercel deploy
+// The MAINNET_RPC_URLS gets from the Vercel deploy
 const rpcUrls_1 =
  (process.env.EL_RPC_URLS_1 && process.env.EL_RPC_URLS_1.split(',')) ||
- (process.env.VERCEL_MAINNET_RPC_URLS && process.env.VERCEL_MAINNET_RPC_URLS.split(','))
+ (process.env.MAINNET_RPC_URLS && process.env.MAINNET_RPC_URLS.split(','))
 const rpcUrls_5 =
  process.env.EL_RPC_URLS_5 && process.env.EL_RPC_URLS_5.split(',')
 const rpcUrls_17000 =