* txn withdrawals page stub

* add base page layout

* add ConnectWallet alert

* save search term in page query param

* add links to the new page

* add functionality to claim button

* combine "Connect wallet" and "Claim" buttons

* Refactor rollup configuration to introduce ParentChain structure and deprecate legacy environment variables

* handle txn claim

* allow to pass array of RPC urls for parent chain config

* display token value and completion tx hash

* fix csp

* write tests for arbitrum l2 txn withdrawals

* fix ts

* review fixes

* update screenshots and hide button if the txn is not confirmed yet