Add interval capabilities to logging.yaml (and .config) generated by t3c

[mikeV02]

Apache Traffic Server allows to generate logs in specified Intervals. The config files generated by T3C currently do not take into account such logic. This PR adds the required lines to T3C to include the "interval" section under the Format node. This PR includes logging.yaml and logging.config

---

Which Traffic Control components are affected by this PR?

• Documentation
• Traffic Control Cache Config (t3c, formerly ORT)

What is the best way to verify this PR?

• Create a new parameter following the existing documentation for the N Logging. The parameter should have Name set to LogFormatN.Interval and with value the integer in seconds of the interval you want

If this is a bugfix, which Traffic Control versions contained the bug?

• All

PR submission checklist

• [x] This PR has documentation
• [x] This PR has a CHANGELOG.md entry
• [x] This PR DOES NOT FIX A SERIOUS SECURITY VULNERABILITY (see the Apache Software Foundation's security guidelines for details)