add public service controller for manage loadbalancer service

[River-sh]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:

/kind feature
/sig network

What this PR does / why we need it:

This controller focuses on automating the management of LoadBalancer services

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

other Note

[openyurt-bot]

@River-sh: GitHub didn't allow me to assign the following users: luc99hen, wangchenglong01.

Note that only openyurtio members, repo collaborators and people who have commented on this issue/PR can be assigned. Additionally, issues/PRs can only have 10 assignees at the same time.
For more information please see the contributor guide

In response to this:

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line:

/kind feature
/sig network

What this PR does / why we need it:

This controller focuses on automating the management of LoadBalancer services

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

other Note

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[codecov]

Codecov Report

Merging #1685 (f7b27c2) into master (8b94570) will decrease coverage by 0.68%.
Report is 1 commits behind head on master.
The diff coverage is 31.46%.

@@            Coverage Diff             @@
##           master    #1685      +/-   ##
==========================================
- Coverage   52.46%   51.79%   -0.68%     
==========================================
  Files         162      164       +2     
  Lines       19091    19729     +638     
==========================================
+ Hits        10016    10218     +202     
- Misses       8150     8542     +392     
- Partials      925      969      +44     

Flag	Coverage Δ
unittests	51.79% <31.46%> (-0.68%)	⬇️

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

Files Changed	Coverage Δ
...rvice/gateway_internal_service_enqueue_handlers.go	0.00% <0.00%> (ø)
...r/raven/gatewaypickup/gateway_pickup_controller.go	24.89% <0.00%> (-1.57%)	⬇️
...service/gateway_public_service_enqueue_handlers.go	0.00% <0.00%> (ø)
...publicservice/gateway_public_service_controller.go	39.14% <39.14%> (ø)

... and 1 file with indirect coverage changes

[sonarcloud]

SonarCloud Quality Gate failed.   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
4 Code Smells

No Coverage information
6.3% Duplication

Catch issues before they fail your Quality Gate with our IDE extension SonarLint

[rambohe-ch]

/lgtm

[openyurt-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: luc99hen, rambohe-ch, River-sh

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [rambohe-ch]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment