minor #1222 Update LICENCE (smnandre)

This PR was squashed before being merged into the 2.x branch.

Discussion
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Update LICENCE

Update LICENCE files:
* root file
* all packages

Add LICENCE file:
* ux.symfony.com

Commits
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dd32b70781 Update LICENCE

Author: weaverryan

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2021 Fabien Potencier
+Copyright (c) 2021-present Fabien Potencier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal