[Backend] Privacy Experiences Tables and GET List

[pattisdr]

Closes #3019
❗ Contains migration

Code Changes

• Add three new tables, PrivacyExperience, PrivacyExperienceTemplate, and PrivacyExperienceHistory
• Add an endpoint to GET privacy experiences with relevant notices attached
• Add model methods for creating and updating privacy experiences (which likewise version these experiences) but don't surface endpoints yet.

Steps to Confirm

• This is really a behind-the-scenes change, I'm not yet exposing ways to create experiences in the first place. I think making sure the migration works as expected, the columns are reasonable is a good step here.

Pre-Merge Checklist

• All CI Pipelines Succeeded
• Documentation:
  • documentation complete, PR opened in fidesdocs
  • documentation issue created in fidesdocs
• Issue Requirements are Met
• Relevant Follow-Up Issues Created
• Update CHANGELOG.md
• For API changes, the Postman collection has been updated

Description Of Changes

Add the backend starting foundation experiences, tables, create/update methods and an initial GET list endpoint.

[cypress]

Passing run #1606 ↗︎

0	3	0	0	0
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Details:

Merge 871bfff into f3f7a2a...
Project: fides	Commit: a779f79707 ℹ️
Status: Passed	Duration: 00:45 💡
Started: Apr 26, 2023 7:17 PM	Ended: Apr 26, 2023 7:18 PM

_{This comment has been generated by cypress-bot as a result of this project's GitHub integration settings.}

[codecov]

Codecov Report

Patch coverage: 99.36% and project coverage change: +0.10 🎉

Comparison is base (c350a5e) 87.51% compared to head (871bfff) 87.62%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3146      +/-   ##
==========================================
+ Coverage   87.51%   87.62%   +0.10%     
==========================================
  Files         309      313       +4     
  Lines       18010    18178     +168     
  Branches     2341     2347       +6     
==========================================
+ Hits        15762    15929     +167     
  Misses       1822     1822              
- Partials      426      427       +1     

Impacted Files	Coverage Δ
src/fides/lib/oauth/roles.py	100.00% <ø> (ø)
src/fides/api/ops/models/privacy_experience.py	98.59% <98.59%> (ø)
src/fides/api/ctl/sql_models.py	98.30% <100.00%> (+<0.01%)	⬆️
src/fides/api/ops/api/v1/api.py	100.00% <100.00%> (ø)
...s/api/v1/endpoints/privacy_experience_endpoints.py	100.00% <100.00%> (ø)
src/fides/api/ops/api/v1/scope_registry.py	100.00% <100.00%> (ø)
src/fides/api/ops/api/v1/urn_registry.py	100.00% <100.00%> (ø)
src/fides/api/ops/db/base.py	100.00% <100.00%> (ø)
src/fides/api/ops/models/policy.py	87.27% <100.00%> (ø)
src/fides/api/ops/schemas/privacy_experience.py	100.00% <100.00%> (ø)

... and 4 files with indirect coverage changes

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[pattisdr]

@allisonking when you get a chance could you review this privacy experiences foundation? It's getting large so I'm trying to just add the tables and GET List endpoint here. I'll add the create/update/detail endpoints/update postman collection in the follow up. The main thing to review are if the fields are sufficient to capture what is needed for experiences.

The logic itself is almost identical to the work we already did for privacy notices.

[allisonking]

this is looking good @pattisdr ! left some comments as I'm trying to form a clearer picture in my head, but they might just be me not fully understanding things yet 😄

[allisonking]

💥

[pattisdr]

Thank you for reviewing and your helpful comments @allisonking I'll start next on trying to get endpoints for these to create/update so this is more easily tested!