api: add device CRD in scheduling group

[jasonliu747]

Signed-off-by: Jason Liu jasonliu747@gmail.com

Ⅰ. Describe what this PR does

Define Device CRD according to this proposal: https://github.com/koordinator-sh/koordinator/blob/main/docs/proposals/scheduling/20220629-fine-grained-device-scheduling.md

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

Merging #376 (37844d9) into main (c9cf1a4) will decrease coverage by 0.06%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #376      +/-   ##
==========================================
- Coverage   66.55%   66.49%   -0.07%     
==========================================
  Files         116      116              
  Lines       11580    11580              
==========================================
- Hits         7707     7700       -7     
- Misses       3283     3290       +7     
  Partials      590      590              

Flag	Coverage Δ
unittests	66.49% <ø> (-0.07%)	⬇️

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

Impacted Files	Coverage Δ
pkg/koordlet/runtimehooks/reconciler/reconciler.go	71.57% <0.00%> (-7.37%)	⬇️

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[jasonliu747]

/hold for #377
/cc @eahydra @buptcozy @hormes

[koordinator-bot]

@jasonliu747: GitHub didn't allow me to request PR reviews from the following users: buptcozy.

Note that only koordinator-sh members and repo collaborators can review this PR, and authors cannot review their own PRs.

In response to this:

/hold for #377
/cc @eahydra @buptcozy @hormes

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[jasonliu747]

/hold cancel

[eahydra]

/lgtm

[hormes]

/approve

[koordinator-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: eahydra, hormes

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