Feat: add export config and secret def

[FogDong]

Description of your changes

Fixes #405

I have:

• Read and followed KubeVela's contribution process.
• Related Docs updated properly. In a new feature or configuration option, an update to the documentation is necessary.
• Run make reviewable to ensure this PR is ready for review.
• Added backport release-x.y labels to auto-backport this PR if necessary.

How has this code been tested

Special notes for your reviewer

/cc @wonderflow

[codecov]

Codecov Report

Merging #2484 (1e92d64) into master (7ef8005) will decrease coverage by 0.28%.
The diff coverage is 18.91%.

@@            Coverage Diff             @@
##           master    #2484      +/-   ##
==========================================
- Coverage   52.14%   51.85%   -0.29%     
==========================================
  Files         224      221       -3     
  Lines       23266    23024     -242     
==========================================
- Hits        12131    11939     -192     
+ Misses       9716     9673      -43     
+ Partials     1419     1412       -7     

Flag	Coverage Δ
apiserver-unittests	25.53% <ø> (ø)
core-unittests	46.56% <18.91%> (-0.04%)	⬇️
e2e-multicluster-test	21.06% <ø> (+0.93%)	⬆️
e2e-rollout-tests	31.19% <ø> (-0.13%)	⬇️
e2etests	37.02% <ø> (-0.37%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
references/cli/addon.go	6.55% <18.91%> (+5.64%)	⬆️
apis/core.oam.dev/v1beta1/policy_definition.go	0.00% <0.00%> (-50.00%)	⬇️
.../core.oam.dev/v1beta1/componentdefinition_types.go	50.00% <0.00%> (-50.00%)	⬇️
...aits/traitdefinition/traitdefinition_controller.go	65.26% <0.00%> (-10.53%)	⬇️
...v/v1alpha2/componentdefinition/mutating_handler.go	74.00% <0.00%> (-10.00%)	⬇️
...es/policydefinition/policydefinition_controller.go	60.25% <0.00%> (-6.42%)	⬇️
...m.dev/v1alpha1/envbinding/envbinding_controller.go	69.27% <0.00%> (-6.03%)	⬇️
...ponentdefinition/componentdefinition_controller.go	80.00% <0.00%> (-5.56%)	⬇️
pkg/controller/utils/utils.go	40.19% <0.00%> (-5.42%)	⬇️
pkg/controller/core.oam.dev/v1alpha2/setup.go	36.00% <0.00%> (-2.47%)	⬇️
... and 15 more

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[wonderflow]

这个用法其实挺难理解的，这里要在 export2config 的文档里给用户说明2点：

1. data. 是固定的前缀。
2. 后面的 serverstatus 是自动命名的。

[FogDong]

Test label trigger:

/backport 1.1

[FogDong]

Test label trigger:

/backport 1.1

[github-actions]

Successfully created backport PR #2498 for release-1.1.