Update License/copyright section

Author: heyong4725

LICENSE

@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright [2022] [All content is the property of the respective authors or their employers. For more information regarding authorship of content, please consult the listed source code repository logs.]
+   Copyright [2022] [The Dora-rs Authors]
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.