feat: Including namespace whiteliste resources support

[rachelwang20]

Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this does not need to be in the release notes.
• The title of the PR states what changed and the related issues number (used for the release note).
• I've updated both the CLI and UI to expose my feature, or I plan to submit a second PR with them.
• Optional. My organization is added to USERS.md.
• I've signed the CLA and my build is green (troubleshooting builds).

Issue link: #2900

[CLAassistant]

All committers have signed the CLA.

[alexmt]

Great progress @rachelwang20 !

Added a couple of minor comments.

Run make codegen to regenerate CRD definition and related go code.
Please document new field in the following files:

• https://github.com/argoproj/argo-cd/blob/master/docs/operator-manual/project.yaml
• https://github.com/argoproj/argo-cd/blob/master/docs/user-guide/projects.md
• https://github.com/argoproj/argo-cd/blob/master/docs/operator-manual/declarative-setup.md#projects

[codecov]

Codecov Report

Merging #3292 into master will decrease coverage by 0.02%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #3292      +/-   ##
==========================================
- Coverage   39.05%   39.03%   -0.03%     
==========================================
  Files          48      173     +125     
  Lines        1398    18811   +17413     
  Branches      272      272              
==========================================
+ Hits          546     7343    +6797     
- Misses        845    10548    +9703     
- Partials        7      920     +913

Impacted Files	Coverage Δ
pkg/apis/application/v1alpha1/types.go	63.35% <100%> (ø)
cmd/argocd/commands/completion.go	0% <0%> (ø)
util/helm/client.go	57.37% <0%> (ø)
util/helm/index.go	80% <0%> (ø)
util/exec/exec.go	88.88% <0%> (ø)
util/kustomize/kustomize.go	71.3% <0%> (ø)
util/resource/annotations.go	100% <0%> (ø)
util/oidc/oidc.go	7.57% <0%> (ø)
server/account/account.go	63.02% <0%> (ø)
util/swagger/swagger.go	100% <0%> (ø)
... and 116 more

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[alexmt]

LGTM. Thank you @rachelwang20 !