Moved code for kamelet plugin

[vyasgun]

Changes

• Moved the files that were being used in kamelet plugin

/kind cleanup

Part of knative/client#1591

Release Note

Docs

[codecov]

Codecov Report

Base: 81.03% // Head: 80.96% // Decreases project coverage by -0.08% ⚠️

Coverage data is based on head (07c0aa2) compared to base (d4ab4e4).
Patch coverage: 76.47% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #84      +/-   ##
==========================================
- Coverage   81.03%   80.96%   -0.08%     
==========================================
  Files          65       67       +2     
  Lines        5241     5326      +85     
==========================================
+ Hits         4247     4312      +65     
- Misses        766      782      +16     
- Partials      228      232       +4     

Impacted Files	Coverage Δ
pkg/kn/commands/flags/listprint.go	70.00% <70.00%> (ø)
pkg/kn/commands/human_readable_flags.go	82.22% <82.22%> (ø)

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[dsimansk]

/approve
/lgtm

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dsimansk, vyasgun

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