Update status

LICENSE

 MIT License
 
-Copyright (c) 2020, Concordant and contributors
+Copyright (c) 2022, Concordant and contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.dev.md

-## Private release
+# Private release
 
 The C-Markdown-Editor, and the Concordant stack it depends on,
 are delivered as NPM packages.

STATUS.md

 # Status of C-Markdown Editor
 
-16 April 2021
-
 This is an alpha version of a collaborative text editor. Its aim is to provide an example of a collaborative application leveraging the Concordant vision. Features, performance, and user-friendliness have been secondary considerations.
 
 ## Limitations due to the editing engine