reactor: update username

docs(project): update project readme

fix(wallet-app): resolve importing issue

docs(projects): update prodects readme

docs(assignmnets): update assignments readme

docs(1-100): update 1-100 readme

docs(wallet-app): update the project readme

docs(wallet-app): update the fronend readme

refactor(wallet-app): rename logout endpoint to signout for consistency

refactor(wallet-app): minor refinements

feat(wallet-app): implement guest sign-in

feat(wallet-app): integrate toast notifications for deposit and transfer actions

feat(wallet-app): integrate transfer funds functionality with backend API

fix(wallet-app): properly handle response data after token refresh

reafor(wallet-app): restructure fetching tranctions logic