added missing information about the node user in Docker

Author: martintatum

CHANGELOG.md

@@ -8,6 +8,7 @@
 
 - parameter `env-file` renamed to `envFile`
 - parameter `api-key` renamed to `apiKey`
+- Docker image now uses `node` user instead of `root`
 
 ### Added
 
@@ -33,4 +34,4 @@
 
 - Fix Solana transaction not confirmed - fix for docker image
 - Print result as json for generateManagedPrivateKeyBatch (#100)
-- export wallets always export default path (#79)
+- export wallets always export default path (#79)