Add new Vigilance area model

[submarcos]

…serializers, and views

Description

Related Issue

Checklist

• I have followed the guidelines in our Contributing document
• My code respects the Definition of done available in the Development section of the documentation
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes
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AI requirements

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[cypress]

Geotrek-admin    Run #17664

Run Properties:   Passed #17664  •  95958f9506 ℹ️: Merge 1c09be0bccf346ce5ce989545c96faf38bbe8129 into 01031f9c4164c66e0595dc36ec91...

Project	Geotrek-admin
Branch Review	refs/pull/5597/merge
Run status	Passed #17664
Run duration	01m 56s
Commit	95958f9506 ℹ️: Merge 1c09be0bccf346ce5ce989545c96faf38bbe8129 into 01031f9c4164c66e0595dc36ec91...
Committer	Jean-Etienne Castagnede
View all properties for this run ↗︎

---

Test results
Failures	0
Flaky	0
Pending	0
Skipped	0
Passing	22
View all changes introduced in this branch ↗︎

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.56%. Comparing base (01031f9) to head (1c09be0).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5597      +/-   ##
==========================================
+ Coverage   98.54%   98.56%   +0.01%     
==========================================
  Files         274      277       +3     
  Lines       23034    23354     +320     
==========================================
+ Hits        22699    23019     +320     
  Misses        335      335              

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