* 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
