text: Title: Supporting users when database connection fails
  Body: Configuring a database connection has a few friction points, users must ensure that the driver is installed, the credentials are correct, etc. Sometimes the errors are cryptic making it hard to understand what's going on. Unfortunately, errors are specific to each driver and use case. However, I think we could do more for our users, potentially catching errors when trying to establish a db connection and telling them to join our Slack so we can help them. Something like:
  
  ```
  Error connecting to the database. Join our community and we'll help you: https://ploomber.io/community
  ```