refactor: Add notice flag

Author: kuafuRace

parser.go

@@ -120,6 +120,8 @@ func ParseByFormat(value, format string, timezone ...string) *Carbon {
 }
 
 // ParseByLayouts parses a time string as a Carbon instance by multiple fuzzy layouts.
+//
+// Notice: it doesn't support timestamp layouts parsing
 func ParseByLayouts(value string, layouts []string, timezone ...string) *Carbon {
 	if value == "" {
 		return &Carbon{isEmpty: true}
@@ -154,6 +156,8 @@ func ParseByLayouts(value string, layouts []string, timezone ...string) *Carbon
 }
 
 // ParseByFormats parses a time string as a Carbon instance by multiple fuzzy formats.
+//
+// Notice: it doesn't support timestamp formats parsing
 func ParseByFormats(value string, formats []string, timezone ...string) *Carbon {
 	if value == "" {
 		return &Carbon{isEmpty: true}