[Miscellaneous] A bit of this a bit of that

[jpradocueva]

@FroudeDescartes we need assistance on the following tasks:

• [x] connect this file contact us with the top right-hand link of the same name `Contact Us'
• [x] I think that we should bring back the old symbol of dark vs light mode. Do you think that this symbol is better than the old one?

[FroudeDescartes]

@FroudeDescartes we need assistance on the following tasks:

• [ ] connect this file contact us with the top right-hand link of the same name `Contact Us'
• [ ] I think that we should bring back the old symbol of dark vs light mode. Do you think that this symbol is better than the old one?

For the dark/Light mode we now have the option to make a theme follow system theme, that is what this icon represents. I like having this option, but if you find it to be too much, or icon not appealing, we can change that any time