* feat: no need to log in to view memos
* chore: add a normal user to seed
* feat: page for other members
* fix: replace window.location
* fix: can not get username on home
* fix: check userID
* fix: can visit other user's page after login
* fix: do not redirect on wrong path
* fix: path error when clicked heatmap
* refactor: revise for review
* chore: remove unused import
* refactor: revise for review
* feat: update each user's route to /u/:userId.
* chore: eslint for import sort
* refactor: revise for review