* Add all v3s nodes, create node libs for etherscan and infura.
* Add all network configs for alternatives.
* Color and animate nav border on network selection.
* Address PR comments.
* Persist network selection to local storage.
* Modifiy TransactionSucceeded to link to network-specific explorer.
* - Reload on Node Change to reset state. Should be refactored in the future so that we are not forcing clients to reload.
Eddie Wang
William O'Beirne