Add multichain support

[adityabhattad2021]

This pull request includes several changes to the application, focusing on adding support for the multiple blockchain networks.

Blockchain Application Changes:

1. Environment Configuration:

   • Added BLOCKSCOUT_API_KEY, BLOCKSCOUT_HOMEPAGE_URL, and ETHEREUM_MORDOR_RPC_URL to the .env.example file.

2. Deployment Scripts:

   • Updated Makefile to include a new target deploy-ethereum-mordor for deploying contracts to the Ethereum Mordor testnet.
   • Modified DeployFairFund.s.sol to handle different chain names and update the deployment JSON file accordingly.

Web Application Changes:

1. Chain ID Support:

   • Added chainId to the FundingVault model in Prisma schema and updated the migration file to include this new column. [1] [2]
   • Updated various components and pages to handle the new chainId field, ensuring the correct chain ID is passed to the smart contract functions. (app/web-app/src/app/(root)/proposal/[id]/page.tsxR36, app/web-app/src/app/(root)/proposal/[id]/page.tsxR77, app/web-app/src/app/(root)/vault/[id]/results/page.tsxR142, app/web-app/src/app/(root)/vault/[id]/results/page.tsxR154, app/web-app/src/app/(root)/vault/deposit/page.tsxR29)

2. UI Enhancements:

   • Enhanced the SpaceDetailsPage to display the chain name where the vault is deployed. (app/web-app/src/app/(root)/spaces/[id]/page.tsxR15, app/web-app/src/app/(root)/spaces/[id]/page.tsxR110-R111, app/web-app/src/app/(root)/spaces/[id]/page.tsxR120-R130)

Completes #45