Copied and updated examples and various sections in the readme

Also included a solution for the issue raised [here](https://github.com/papertrail/remote_syslog2/issues/4).
Suggest an example, like:

```
sudo cp ./remote_syslog /usr/local/bin
sudo cp example_config.yaml /etc/log_files.yaml`

Suggest confirming the `yaml` vs `yml` extension. rs1 uses yml but the officially recommended extension is yaml.