Node 16

Updates to use in Node 16 in respect of the deprecation of Node 12 for all GitHub actions.

Fixes #2

v2.0: Merge pull request #1 from Cyb3r-Jak3/cyb3rjak3/use_ssh_key

• Allows for the usage of an ssh key (encrypted or plaintext)
• new options: privateKey and passphrase
• renamed options: local-dir -> sourceDir, remote-dir -> targetDir
• Update dependency @action/core to 1.5.0
• Update dependency ssh2-sftp-client to 7.0.3

Better handling of handshake timeouts

v1.2

better handshake timeout handling

Ready to be used by the world!

v1.1

Adds README

Beta release for testing

0.1

beta