Add multiple time values for early warning configurations

[manbeardgames]

Reference: https://www.reddit.com/r/ffxiv/comments/4b58fd/discerning_eye_ffxiv_gathering_companion_app/d18yeqz?context=3

Add in a seconds value for early warning time configuration.

[manbeardgames]

Settings for seconds for early warning have been added to the settings for users in the newest release