Update index.md (CI/CD docs, todo list with issue details) (#30332)

* Update index.md (CI/CD docs, todo list with issue details)

* Restyled by prettier-markdown (#30333)

Co-authored-by: Restyled.io <commits@restyled.io>

* Update index.md

---------

Co-authored-by: restyled-io[bot] <32688539+restyled-io[bot]@users.noreply.github.com>
Co-authored-by: Restyled.io <commits@restyled.io>

docs/ci-cd/index.md

@@ -9,6 +9,8 @@ tools/*
 ## Known Issues
 
 - Python build running out of space
+ - [Fail example](https://github.com/project-chip/connectedhomeip/actions/runs/6239660536/job/16938053552?pr=29333)
+ - May need intermediate cleanup steps
 
 ## Tools
 
@@ -17,5 +19,8 @@ tools/*
 ## To Do
 
 - Cert image auto build
+ - [Initial code](https://github.com/woody-apple/connectedhomeip/tree/build-cert-bins)
+ - Need to change chip-build image builds to cut down time
+ - Do multi-platform builds for ARM64
 
 ## General Improvement Ideas