Pull request 2149: 6711 watch hosts

Updates #6711.

Squashed commit of the following:

commit 3ddfe809f76325c2d4cda0715a7bcc15e76a2388
Merge: 185957cd0 d338451fa
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Tue Feb 13 13:01:30 2024 +0300

    Merge branch 'master' into 6711-watch-hosts

commit 185957cd01516e5955e388108615e6f131d6ad71
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Feb 9 18:11:41 2024 +0300

    aghos: imp docs

commit 3afbbcbb7ab6cc60c7c40ef8acd5b3ddf52cb3d1
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Fri Feb 9 15:40:02 2024 +0300

    all: upd golibs, imp fswatcher

internal/home/control.go

@@ -15,7 +15,6 @@ import (
 	"github.com/AdguardTeam/AdGuardHome/internal/version"
 	"github.com/AdguardTeam/golibs/httphdr"
 	"github.com/AdguardTeam/golibs/log"
-	"github.com/AdguardTeam/golibs/mathutil"
 	"github.com/AdguardTeam/golibs/netutil"
 	"github.com/NYTimes/gziphandler"
 )
@@ -145,10 +144,7 @@ func handleStatus(w http.ResponseWriter, r *http.Request) {
 			// Make sure that we don't send negative numbers to the frontend,
 			// since enough time might have passed to make the difference less
 			// than zero.
-			protectionDisabledDuration = mathutil.Max(
-				0,
-				time.Until(*protectionDisabledUntil).Milliseconds(),
-			)
+			protectionDisabledDuration = max(0, time.Until(*protectionDisabledUntil).Milliseconds())
 		}
 
 		resp = statusResponse{

internal/home/home.go

@@ -250,7 +250,7 @@ func setupHostsContainer() (err error) {
 		return errors.Join(fmt.Errorf("initializing hosts container: %w", err), closeErr)
 	}
 
-	return nil
+	return hostsWatcher.Start()
 }
 
 // setupOpts sets up command-line options.