Agree about what most people are saying about a full code rewrite, also about coming in as a new manager. Start building a wiki and get knowledge from your tea

Agree about what most people are saying about a full code rewrite, also about coming in as a new manager. Start building a wiki and get knowledge from your team - they built everything in the first place. Embrace what they know and go from there. Have you heard of Swimm for knowledge base/wikis/documentation?