Feature branding aware configuration

[andrewbrazzatti]

This PR introduces a branding-aware configuration feature, enhancing the application's flexibility in handling multiple branding contexts. Key changes include:

Configuration Service: Added new service to manage branded app configurations.
API Endpoints: Introduced REST API endpoints for managing app configurations.
UI Enhancements: Implemented Angular components for configuration management, including a new app configuration screen. The Angular application uses Formly to generate forms using JSON Schema.
Configuration Storage: Configuration is stored in the database defined by config model objects. These config model objects are used to generate JSON Schema using the json-schema package.
Accessing Configurations: You can access the branding-aware configuration using sails.config.brandingAware(branding).
Testing: Added unit tests for the new services and components.

The first branding aware configuration implemented as a proof of concept is to add support for self-service system messages by administrator users

[codecov]

Codecov Report

Attention: Patch coverage is 67.44186% with 70 lines in your changes are missing coverage. Please review.

Project coverage is 52.75%. Comparing base (a788eb0) to head (780ff38).

❗ Current head 780ff38 differs from pull request most recent head 715dd87

Please upload reports for the commit 715dd87 to get more accurate results.

Files	Patch %	Lines
typescript/api/services/ConfigService.ts	22.58%	22 Missing and 2 partials ⚠️
...ript/api/controllers/webservice/AdminController.ts	0.00%	19 Missing ⚠️
typescript/api/controllers/AppConfigController.ts	63.15%	10 Missing and 4 partials ⚠️
.../api/controllers/webservice/AppConfigController.ts	70.37%	6 Missing and 2 partials ⚠️
typescript/api/services/AppConfigService.ts	95.06%	1 Missing and 3 partials ⚠️
typescript/api/configmodels/AppConfig.interface.ts	50.00%	1 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #2181      +/-   ##
===========================================
+ Coverage    52.11%   52.75%   +0.64%     
===========================================
  Files          163      173      +10     
  Lines         8007     8264     +257     
  Branches      1147     1166      +19     
===========================================
+ Hits          4173     4360     +187     
- Misses        3403     3463      +60     
- Partials       431      441      +10     

Flag	Coverage Δ
backend-mocha	48.81% <67.44%> (+0.57%)	⬆️
backend-newman	44.88% <63.25%> (+0.56%)	⬆️
frontend-app-config	97.87% <ø> (?)
frontend-core-lib	52.41% <ø> (ø)
frontend-dashboard	88.07% <ø> (ø)
frontend-export	100.00% <ø> (ø)
frontend-local-auth	100.00% <ø> (ø)
frontend-manage-roles	63.33% <ø> (ø)
frontend-manage-users	59.81% <ø> (ø)
frontend-report	100.00% <ø> (ø)

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