Add ZIP 256: Deployment of Consensus Bug Fixes Between NU6.1 and NU6.2 - #1295

https://cdn.jsdelivr.net/npm/mermaid@11.12.3/dist/mermaid.min.js is not the current version (it does not match https://cdn.jsdelivr.net/npm/mermaid/dist/mermaid.min.js).

https://cdn.jsdelivr.net/npm/katex@0.16.33/dist/contrib/auto-render.min.js is not the current version (it does not match https://cdn.jsdelivr.net/npm/katex/dist/contrib/auto-render.min.js).

https://cdn.jsdelivr.net/npm/katex@0.16.33/dist/katex.min.js is not the current version (it does not match https://cdn.jsdelivr.net/npm/katex/dist/katex.min.js).