* Update multisocket README.md
I was a bit confused why `multisocket` wasn't working for me, but I eventually found 38c020941b/core/dnsserver/register.go (L308):
```
// create one server by default if no NumSockets specified
numSockets := 1
if group[0].NumSockets > 0 {
numSockets = group[0].NumSockets
}
```
I tried to summarize my understanding in the README
Signed-off-by: Ryan Brewster <rpb@anthropic.com>
* Update plugin/multisocket/README.md
Co-authored-by: Ville Vesilehto <ville@vesilehto.fi>
Signed-off-by: Ryan Brewster <rpb@anthropic.com>
---------
Signed-off-by: Ryan Brewster <rpb@anthropic.com>
Co-authored-by: Ville Vesilehto <ville@vesilehto.fi>