Provide a roadmap for deprecation and transfer into samvera-deprecated

[jrgriffiniii]

This follows the proposed maintenance reorganization within https://github.com/samvera/maintenance/issues/137.

In order to consider this completed, the following tasks must be completed:

• [ ] https://github.com/samvera-labs/browse-everything-redux-react/issues/93
• [ ] https://github.com/samvera-deprecated/browse-everything-redux-react/pull/94
• [ ] https://github.com/samvera-labs/browse-everything-components/issues/16
• [ ] https://github.com/samvera-deprecated/browse-everything-components/pull/17
• [x] https://github.com/jrgriffiniii/parcel-browse-everything/issues/7
• [ ] https://github.com/samvera-labs/parcel-browse-everything/pull/8
• [ ] Demonstrate https://github.com/samvera-labs/parcel-browse-everything

[jrgriffiniii]

https://github.com/jrgriffiniii/parcel-browse-everything/pull/6 ensures that this is prepared for minimal usage and testing.