feat(operator): add cpu,memory,podkill chaos

[moomman]

Type of change:

• [x] Bugfix
• [x] New feature provided

What this PR does / why we need it:

add cpu,memory,podkill chaos

Pre-submission checklist:

• [x] Did you explain what problem does this PR solve? Or what new features have been added?
• [ ] Have you added corresponding test cases?
• [ ] Have you modified the corresponding document?

272

[sonarcloud[bot]]

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0 Bugs
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0 Security Hotspots
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No Coverage information
0.0% Duplication

[mlycore]

ref #290