feat(retention): added image retention policies (#1866)

feat(metaDB): add more image statistics info

Signed-off-by: Petu Eusebiu <peusebiu@cisco.com>

pkg/cli/server/validate_sync_disabled.go

@@ -0,0 +1,13 @@
+//go:build !sync
+// +build !sync
+
+package server
+
+import (
+	"zotregistry.io/zot/pkg/api/config"
+	syncconf "zotregistry.io/zot/pkg/extensions/config/sync"
+	zlog "zotregistry.io/zot/pkg/log"
+)
+
+func validateRetentionSyncOverlaps(config *config.Config, content syncconf.Content, urls []string, log zlog.Logger) {
+}