Add Support for SNI Proxy

### Prerequisites

- [X] I have checked the [Wiki](https://github.com/AdguardTeam/AdGuardHome/wiki) and [Discussions](https://github.com/AdguardTeam/AdGuardHome/discussions) and found no answer

- [X] I have searched other issues and found no duplicates

- [X] I want to request a feature or enhancement and not ask a question

### The problem

please see this project to understand what i mean:

https://github.com/dlundquist/sniproxy

### Proposed solution

for any dns request you can send your server ip instead of actual domain ip and then your server handle the request as a proxy

### Alternatives considered and additional information

_No response_