Pull request 2176: AG-20945-rule-list-engine

Squashed commit of the following:

commit 56756b2299dd01d79dc9bdbe873ffdab30e78c58
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Mar 15 15:40:39 2024 +0300

    all: imp code, docs, tests

commit 45849e651ced92ebb889ff3902c7710e2161b5a3
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Mar 14 20:18:07 2024 +0300

    rulelist: add engine, textengine

internal/filtering/hosts.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"net/netip"
 
+	"github.com/AdguardTeam/AdGuardHome/internal/filtering/rulelist"
 	"github.com/AdguardTeam/golibs/hostsfile"
 	"github.com/AdguardTeam/golibs/log"
 	"github.com/AdguardTeam/golibs/netutil"
@@ -66,7 +67,7 @@ func hostsRewrites(
 			vals = append(vals, name)
 			rls = append(rls, &ResultRule{
 				Text:         fmt.Sprintf("%s %s", addr, name),
-				FilterListID: SysHostsListID,
+				FilterListID: rulelist.URLFilterIDEtcHosts,
 			})
 		}
 
@@ -84,7 +85,7 @@ func hostsRewrites(
 		}
 		rls = append(rls, &ResultRule{
 			Text:         fmt.Sprintf("%s %s", addr, host),
-			FilterListID: SysHostsListID,
+			FilterListID: rulelist.URLFilterIDEtcHosts,
 		})
 	}