backend: k8cache: future work

[illume]

There were a few items after the project was done that need further looking into.

• backend: k8cache: Add experimental cache #3740

See sub issues. Use /assign to assign yourself first, and check if there are already PRs open for them before starting.

[upsaurav12]

@illume also that one for moving the items of HeadlampConfig into headlampConfig pkg, so that we can move CacheMiddleware to k8cache pkg

[illume]

/lifecycle frozen

[upsaurav12]

can I still raise pr ?

[illume]

@upsaurav12 hi, sure if you want to.

I added sub issues for the remaining work. Someone already started on some of the work in the PR

• backend: k8cache: add update and delete coverage to informer tests #4503