v1.4.0 Align monitor support with Datadog REST API

In this release, we preserve backward compatibility, but going forward we only support monitor configurations that are the Terraform equivalent of the JSON used by the Datadog API.

See modules/monitors/README.md for more details.

🚀 Enhancements

Update monitors to support latest features, favor API model @Nuru (#87)

what

• Update the monitors support to support all current features supported by the Datadog terraform provider
• Revise the input to match the Datadog API model (see modules/monitors/README.md for details)

why

• Module did not support several current features
• Make it easy to use the Datadog Web Console to create and edit monitors, then convert the exported JSON to input to this module

references

• monitors/README
• Supersedes #86
• Closes #85
• Supersedes #84
• Supersedes #76

🤖 Automatic Updates

Update README.md and docs @cloudpossebot (#83)

what

This is an auto-generated PR that updates the README.md and docs

why

To have most recent changes of README.md and doc from origin templates