Web3 4.x Browser tests with React

[mconnelly8]

• [ ] React

• add tests web3 4.x ( add one simple function from web3-eth, web3-contract, web3-accounts ) running in browser

• also write one page doc if any extra steps are required for any config at user side they are using 4.x with above frameworks (for prod builds).

[jdevcs]

this issue is closed but also check: https://github.com/web3/web3.js/issues/6495