apis: add Recommendation crd

[zwzhang0107]

Ⅰ. Describe what this PR does

define the recommendation crd for resource prediction, see #1875 for full story.

Ⅱ. Does this pull request fix one issue?

Ⅲ. Describe how to verify it

Ⅳ. Special notes for reviews

apiVersion: analysis.koordinator.sh/v1alpha1
kind: Recommendation
metadata:
  namespace: default
  name: recommendation-sample
spec:
  target:
    type: workload
    workload:
      apiVersion: apps/v1
      kind: Deployment
      name: nginx-sample-deployment
status:
  podStatus:
    containerStatuses:
    - containerName: nginx
      resources:
        cpu: 1200m
        memory: 1280Mi
  updateTime: "2024-03-05T08:00:00Z"

V. Checklist

• I have written necessary docs and comments
• I have added necessary unit tests and integration tests
• All checks passed in make test

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.47%. Comparing base (07e51fa) to head (71a41b2).
Report is 54 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1937      +/-   ##
==========================================
+ Coverage   67.23%   67.47%   +0.24%     
==========================================
  Files         410      420      +10     
  Lines       45662    46858    +1196     
==========================================
+ Hits        30702    31619     +917     
- Misses      12742    12939     +197     
- Partials     2218     2300      +82     

Flag	Coverage Δ
unittests	67.47% <ø> (+0.24%)	⬆️

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[hormes]

/lgtm

@songzh215 please take a look this API.

[zxustc]

/lgtm

[koordinator-bot]

@zxustc: changing LGTM is restricted to collaborators

In response to this:

/lgtm

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[hormes]

/lgtm
/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: hormes

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