* 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