feat(mojaloop/#2092): upgrade nodeJS version for core services - mojaloop/project#2092
- standardised CI scripts
- updated docker-compose files to work correctly
- fixed lint issues
- updated .nvmrc to latest LTS version
- added standard CI scripts/config to package.json: release, snapshot, standard-version, etc
- updated gitignore to include test/results and IGNORE patterns
- updated README with standard auto-release information
- Fixed imports
- Cleaned up Package.json

Notes:

- Helm chart mountPaths need to be updated from `/opt/simulator` to `/opt/app` as follows:
    ```YAML
        volumeMounts:
        - mountPath: /opt/app/config
          name: <deployment-name>
    ```

BREAKING CHANGE: Major version bump for node v16 LTS support, re-structuring of project directories to align to core Mojaloop repositories and docker image now uses `/opt/app` instead of `/opt/simulator` which will impact config mounts.