Update configuration-files.mdx - Specify that encryptionKey is a base64 string of a key

[baselsayeh]

Specify that encryptionKey is a base64 string of a key

[baselsayeh]

I'm setting up a self hosted netbird server deployment,

and found that the example docker-compose file fails to run with FATL management/internals/server/boot.go:70: failed to create field encryptor: encryption key must be 32 bytes, got x

because both server.store.encryptionKey and server.authSecret are base-64 strings and not ascii (or utf-8) strings

[shuuri-labs]

encryptionKey is indeed a base64 encoded string, but authSecret is not - in can be any arbitray String. Could you please update the PR accordingly? @baselsayeh

[baselsayeh]

encryptionKey is indeed a base64 encoded string, but authSecret is not - in can be any arbitray String. Could you please update the PR accordingly? @baselsayeh

@shuuri-labs Done