[Feature Request] Add Manual DNS settings

[WEPOXS]

Describe your suggested feature

example can be seen below

Other details

I took the example from Chrome features and connection settings

Acknowledgements

• [X] I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open or closed issue.
• [X] I have written a short but informative title.
• [X] If this is an issue with an extension, I should be opening an issue in the extensions repository.
• [X] I have updated the app to version 0.14.7.
• [X] I will fill out all of the requested information in this form.