Feature: Exclude some domains in sniffing destOverride (#151)

Co-authored-by: RPRX <63339210+rprx@users.noreply.github.com>

common/session/session.go

@@ -60,6 +60,7 @@ type Outbound struct {
 
 // SniffingRequest controls the behavior of content sniffing.
 type SniffingRequest struct {
+	ExcludeForDomain               []string
 	OverrideDestinationForProtocol []string
 	Enabled                        bool
 }