Make it possible to add Redirects

We previously ran an ideas portal with another provider and collected a database of customer ideas there. We will migrate these ideas to Aha! Ideas. These old ideas all had URLs that will no longer be findable on Google in the future. We need a way to redirect these old URLs to the new Aha URLs. Our customers will likely encounter 404 errors in the initial period after the migration without redirects, making it difficult for them to find a solution to their problem.

Old, unused URLs can be redirected, making it easier for users to find what they are looking for.

Add a "Redirect" tab to manage 301-Redirects for the page.