Typo and Word Form Errors

[FakhriAz]

https://github.com/AppFlowy-IO/AppFlowy-Docs/blob/cb1d8a02d240749c85bb75e37c96b9903393f235/essential-documentation/contribute-to-appflowy/architecture/frontend/user/events.md?plain=1#L7-L9

1. Incorrect Word Form: "register" → "registered"

Inaccurate: Logging into an account using a register email and password Accurate: Logging into an account using a registered email and password

2. Typographical Error: "fo" → "of"

Inaccurate: Logging out fo an account Accurate: Logging out of an account