Plan Review PR template

When creating a specification project plan review, create PRs with the content defined as follows.

Include the following in the PR:

• A directory in the form wombat/x.y where x.y is the release major.minor version.
• An index page wombat/x.y/_index.md following template
• Title should be on the form "Jakarta Wombat X.Y (under development)"
• Includes a plan for the release. Usually, a couple of statements is enough. Otherwise, a link to a document describing the release.
• Includes a detailed description of any backward incompatibility (Mark with N/A and check if none)
• Declares optional features if there are any (Mark with N/A and check if none)
• Includes minimum Java SE version
• Describe any updates or required changes including splitting out the TCK (Mark with N/A and check if not planned)
• Link to updated release record