Have webcam cover toggle instead of unclear electrical one

[Benjamin-Loison]

Related to #22.

Current electrical one stop the data transmission or/and power source?

[Benjamin-Loison]

Either additional cover can be interesting but may fall so with an electrical toggle set to on if the cover disables the possibly to swicth the electrical toggle as the camera space is pretty tight.

So a built-in camera cover toggle like my professional laptop or the one of:

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according to him, would be nice.