Add Lumenitos Scan feature into the Lab

[jeesunikim]

Add token functionality to lab

• Implement recent transfer events for account and pre-populate a list of balances based on them
• Also present sep41 metadata and recent transfers
• All events

Slack on Lumenito: https://stellarfoundation.slack.com/archives/C06KTGUULUF/p1766437263931959
Slack on displaying contract events: https://stellarfoundation.slack.com/archives/C06KTGUULUF/p1762983710342519

[janewang]

Platform is fixing getEvents https://github.com/orgs/stellar/discussions/1872

[minkyeongshin]

Final draft here: https://www.figma.com/design/9j3YQ5URseAsn3j0tf2FFq/Laboratory?node-id=7214-117645&t=3DLxEzTHHCLlHPOk-1
(jeesun will begin working on it, and will revisit it with Jane if needed once she returns.)