Create a tutorial for VAP and MAP

[Jefftree]

This is a Feature Request

What would you like to be added
Per comment from @sftim #48646 (review), we should create one combined tutorial that teaches both kinds of admission policies

Why is this needed

Comments

/cc @jpbetz @sftim @cici37

[dipesh-rawat]

/language en
/sig api-machinery

[sftim]

/triage accepted
/priority backlog

[sftim]

It's OK to use a refactoring-style approach where we find existing content and reuse (move) it where suitable.

[k8sautom8]

I have published tutorial explaining few examples on (MAP) Mutating Admission Policy

https://www.youtube.com/watch?v=M6fFjHqz27k