[#195] Make all initial logging tags as default tags

Signed-off-by: Alex Vanin <a.vanin@yadro.com>

cmd/http-gw/settings.go

@@ -196,7 +196,7 @@ var ignore = map[string]struct{}{
 	cmdVersion: {},
 }
 
-var defaultTags = []string{logs.TagApp, logs.TagDatapath}
+var defaultTags = []string{logs.TagApp, logs.TagDatapath, logs.TagExternalStorage, logs.TagExternalStorageTree}
 
 type Logger struct {
 	logger *zap.Logger