Eduardo Leggiero

Fix PostgreSQL documentation link

1

As the Serial Types section of the PostgreSQL documentation was moved to a Numeric subsection, this PR update the link to the correct destination: https://www.postgresql.org/docs/13/datatype-numeric.html#DATATYPE-SERIAL

Fixed "gauranteed" to "guaranteed"

Hi, I'm running the Flatpak version of this fantastic project. Thanks a lot for providing it. I'd like to run a second instance of the application to have 2 different...

Add support for [Structured Error Data for Filtered DNS](https://datatracker.ietf.org/doc/draft-ietf-dnsop-structured-dns-error/) as browsers will start to support it. There are also providers like [AdGuard DNS](https://adguard-dns.io/en/blog/adguard-dns-v2-10.html) that already implemented it.