feat: YAML config file

Description

CLI param -c, --config added. This param allows setting the path to YAML config file with the same params as for CLI. Example of config file:

- config:
  hostname: localhost
  port: 5432
  dbname: db_name
  ss-dbname: ss_db_name
  username: db_username
  statement-timeout: 15
  epoch: 20190716
  html: true
  project: dbc

Related issue

#422 (closed)

Examples

Closes #422 (closed)