Improve Enable/Disable through API

[DL6ER]

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Allow to disable/enable Pi-hole blocking through the API with a more simple frontend for users using the password hash:

Example: api.php?disable&auth=183c1b634da0078fcf5b0af84bdcbb3e817708c3f22b329be84165f4bad1ae58

{"status":"disabled"}

This template was created based on the work of udemy-dl.

[AzureMarker]

Approved