Allow custom DNS resolver

[xjzh123]

Define You:

• Contributor

Is your feature request related to a problem? Please describe.

In my area, https://mozilla.cloudflare-dns.com/dns-query (for hypercore protocol) is not very accessible.

Describe the solution you'd like...

The user can set custom DNS resolver in settings.

Describe alternatives you've considered?

Set a system proxy to proxy DoH queries, but somehow this doesn't work for me, unless I use TUN, which prevents me from finding peers.

Approach to be followed (optional):

Additional context

[akhileshthite]

@xjzh123 Thanks!

Will address this in the upcoming releases; there will be an option to set up custom DNS resolvers under "Search" section in settings.