- Restored execute permissions

- Added/Updated headers
- Added script to update copyright headers

- moved creation of secrets from crdb.sh and nats.sh to tfs.sh for safety reasons

- updated old gitlab.com URLs by new labs.etsi.org URLs.
- updated Context to use secrets generated by CockroachDB and NATS

- updated deploy scripts to include CockroachDB and NATS
- reorganized deploy scripts in a new "deploy" folder