Add support to kubectl in a webassembly environment

[remyleone]

Enhancement Description
One-line enhancement description (can be used as a release note): Add support for running kubectl as webassembly
Kubernetes Enhancement Proposal:
Discussion Link: kubernetes/kubernetes#128853
PRs by stage and milestone: Draft PR: kubernetes/kubernetes#133638
Alpha - v1.xx
KEP (k/enhancements) update PR(s):
Code (k/k) update PR(s):
Docs (k/website) update PR(s):

[remyleone]

/sig auth
/sig cli
/sig api-machinery