Focus input element por sa1hon

Overview:
Press a shortcut key to focus on the input field on the web page.

The default shortcut key:

- Next input field: F2
- Previous input field: Shift+F2
- Unfocus: F4

Feature:

- You can press it repeatedly to move to the next or previous field.
- You can focus the closest input field in the active area.
- You can check the location of the field with marker.
- These settings can be changed on the Options page.

Source repository: https://github.com/saihon/focus-input-element