fix: .paidOnly should use `t` instead of `:json-true`

feat: set evil-normal-state-local-map (#103)

* feat: set evil-normal-state-local-map

chore: update README

refactor: use cl-defstruct to define abstract type

bump up version

chore: bump up version

doc: udpate ChangeLog

doc: update

fix: login failed

LeetCode do not allow third party login, retrieve LeetCode session from local
Chrome cookies. see: #46