Updating readme for archiving the repo.

[landreasyan]

What type of PR is this?

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Requirements:

• [ ] uses conventional commit messages
• [ ] includes documentation
• [ ] adds unit tests
• [ ] tested upgrade from previous version

Special notes for your reviewer:

Release note:

none

[coveralls]

Pull Request Test Coverage Report for Build 1996020660

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+12.7%) to 64.628%

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Totals
Change from base Build 1959248337:	12.7%
Covered Lines:	5390
Relevant Lines:	8340

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💛 - Coveralls