feat: add PodDecoration controller

[Eikykun]

1. Does this PR affect any open issues?(Y/N) and add issue references

• N
• Y, Enhancement: Pod additional configuration management supports #103

2. What is the scope of this PR (e.g. component or file name):

new api apis/apps/v1alpha1/poddecoration_types.go
pkg/controllers/collaset
pkg/controllers/poddecoration
poddecoration webhook

3. Provide a description of the PR(e.g. more details, effects, motivations or doc link):

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Other

4. Are there any breaking changes?(Y/N) and describe the breaking changes(e.g. more details, motivations or doc link):

• N
• Y

5. Are there test cases for these changes?(Y/N) select and add more details, references or doc links:

• Unit test
• Integration test
• Benchmark (add benchmark stats below)
• Manual test (add detailed scripts or steps below)
• Other

6. Release note

Please refer to Release Notes Language Style Guide to write a quality release note.

None

[codecov]

Codecov Report

Attention: 297 lines in your changes are missing coverage. Please review.

Comparison is base (a302b54) 62.02% compared to head (3a8ec6b) 62.21%.

Files	Patch %	Lines
pkg/controllers/utils/poddecoration/anno.go	27.69%	43 Missing and 4 partials ⚠️
...trollers/poddecoration/poddecoration_controller.go	76.41%	31 Missing and 15 partials ⚠️
pkg/controllers/collaset/utils/poddecoration.go	58.09%	37 Missing and 7 partials ⚠️
.../poddecoration/poddecoration_validating_handler.go	68.59%	32 Missing and 6 partials ⚠️
pkg/controllers/utils/poddecoration/getter.go	59.67%	18 Missing and 7 partials ⚠️
...ic/poddecoration/poddecoration_mutating_handler.go	51.28%	19 Missing ⚠️
pkg/controllers/collaset/collaset_controller.go	68.00%	12 Missing and 4 partials ⚠️
pkg/controllers/collaset/event_handler.go	0.00%	16 Missing ⚠️
pkg/controllers/poddecoration/revision.go	81.39%	6 Missing and 2 partials ⚠️
pkg/controllers/utils/poddecoration/sort.go	46.15%	6 Missing and 1 partial ⚠️
... and 7 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #128      +/-   ##
==========================================
+ Coverage   62.02%   62.21%   +0.18%     
==========================================
  Files          46       70      +24     
  Lines        3573     4570     +997     
==========================================
+ Hits         2216     2843     +627     
- Misses       1140     1449     +309     
- Partials      217      278      +61     

Flag	Coverage Δ
unittests	62.21% <62.30%> (+0.18%)	⬆️

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[wu8685]

I think using revision as the key is a little wired.

[wu8685]

lgtm