Support customizing CORS configuration

[JohnNiang]

What type of PR is this?

/kind improvement
/area core
/milestone 2.20.x

What this PR does / why we need it:

This PR adds CorsOptions into SecurityProperties to let users customize their own CORS configuration. e.g.:

halo:
  security:
    cors-options:
      disabled: false
      configs:
        - pathPattern: /apis/first.api.halo.run/v1alpha1/**
          config:
            allowedOrigins: [ "*" ]
            allowedHeaders: [ "*" ]
            allowedMethods: [ "*" ]
            exposedHeaders: [ "*" ]
            allowCredentials: true
            maxAge: 30m
        - pathPattern: /apis/second.api.halo.run/v1alpha1/**
          config:
            allowedOrigins: [ "www.halo.run", "www.lxware.cn" ]
            allowedHeaders: [ "Content-Type", "Authorization" ]
            allowedMethods: [ "GET, POST, PUT, DELETE" ]
            allowedCredentials: false
            maxAge: 1h

Does this PR introduce a user-facing change?

支持自定义跨域配置

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[guqing]

/lgtm

[f2c-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: guqing

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[codecov]

Codecov Report

Attention: Patch coverage is 57.89474% with 8 lines in your changes missing coverage. Please review.

Project coverage is 57.23%. Comparing base (eff73dc) to head (88e2f69).
Report is 47 commits behind head on main.

Files with missing lines	Patch %	Lines
.../halo/app/infra/properties/SecurityProperties.java	42.85%	3 Missing and 1 partial ⚠️
...ain/java/run/halo/app/security/CorsConfigurer.java	66.66%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #6981      +/-   ##
============================================
+ Coverage     56.99%   57.23%   +0.23%     
- Complexity     3999     4007       +8     
============================================
  Files           714      712       -2     
  Lines         24110    24144      +34     
  Branches       1585     1590       +5     
============================================
+ Hits          13742    13819      +77     
+ Misses         9756     9710      -46     
- Partials        612      615       +3     

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[guqing]

• 此 PR 需要在 https://docs.halo.run/getting-started/install/config 中添加文档