message: add Minio section and small changes to ReadMe
diff: @@ -76,7 +76,7 @@ So lets say you have a user table like:
  * email
  * password
  * role
  -* company_id
  +* **company_id**
  and you want to include the `company_id` as a JWT claim. You can specify `USER_FIELDS=company_id`.
  @@ -118,7 +118,9 @@ https://github.com/elitan/hasura-backend-plus/blob/master/src/storage/storage-to
  # Storage
  -Will act as a proxy between your client and a S3 compatible block storage service (Ex AWS S3 or Digital Ocean Spaces). Can handle read, write and security permission. Digital Ocean offer S3-compatible object storage for $5/month with 250 GB of storage with 1TB outbound transfer. https://www.digitalocean.com/products/spaces/.
  +Will act as a proxy between your client and a S3 compatible block storage service (Ex: AWS S3, Digital Ocean Spaces, Minio). Can handle read, write and security permission.
  +Digital Ocean offer S3-compatible object storage for $5/month with 250 GB of storage with 1TB outbound transfer. https://www.digitalocean.com/products/spaces/.
  +You can also use open source self hosted private cloud storage solutions like [Minio](https://minio.io/).
  ### Uploads
  @@ -181,3 +183,36 @@ module.exports = {
  };
  ```
  +
  +### Using with Minio
  +```
  +hasura-backend-plus:
  + image: 'elitan/hasura-backend-plus'
  + restart: always
  + environment:
  + PORT: 3000
  + HASURA_GQE_ENDPOINT: 'https://<hasura-graphql-endpoint>'
  + HASURA_GQE_ADMIN_SECRET: <hasura-admin-secret>
  + HASURA_GQE_JWT_SECRET: {"type":"HS256", "key": "secret_key"}
  + USER_FIELDS: ''
  + S3_ACCESS_KEY_ID: <access>
  + S3_SECRET_ACCESS_KEY: <secret>
  + S3_ENDPOINT: <endpoint>
  + S3_BUCKET: <bucket>
  + DOMAIN: <domain-running-this-service>
  + REFETCH_TOKEN_EXPIRES: 54000
  + volumes:
  + - './storage/rules:/app/src/storage/rules'
  + minio:
  + image: minio/minio
  + restart: always
  + volumes:
  + - '/mnt/minio_volume/123-176cb9a8/data:/export'
  + - '/mnt/minio_volume/123-176cb9a8/config:/root/.minio'
  + environment:
  + MINIO_ACCESS_KEY: <access>
  + MINIO_SECRET_KEY: <secret>
  + entrypoint: sh
  + command: '-c ''mkdir -p /export/nhost && /usr/bin/minio server /export'''
  +```
  +You can read more or ask question about integrate Minio with HB+ here: https://github.com/elitan/hasura-backend-plus/issues/9
  