Merge pull request #9 from deliveroo/nginx_log_format

# `nginx-sidecar` changelog

## 0.3.2

- Use `$request_method` and `$request_uri` instead of the combined `$request`.

## 0.3.1

- Log `$request_time`; request processing time in seconds (millisecond resolution).

0.3.1

0.3.2

  include /etc/nginx/mime.types;

  default_type application/octet-stream;

  log_format  main  '[nginx]  path=$request '

  log_format  main  '[nginx] method=$request_method path=$request_uri '

                    'status=$status duration=$request_time size=$body_bytes_sent '

                    '"$remote_user" "$http_referer" "$http_user_agent"';