Add encryption for file names and contents

[OmlineEditor]

please add the ability to encrypt synchronized files. I need to upload data from my phone to the server, but I don't trust the server and I want to protect the data. if you encrypt the file name and its contents, then there will be no problems.

To encrypt the file name and contents, you can use a simple library for the AES algorithm. the file name will be additionally base58 converted