🚀 feat: Add support for custom AWS endpoint in S3

[rubentalstra]

Summary

This pull request introduces support for a custom AWS endpoint URL in the S3 initialization process. The changes include modifications to the environment configuration and the S3 initialization script.

Environment Configuration:

• .env.example: Added AWS_ENDPOINT_URL to the environment variables list.

S3 Initialization:

• api/server/services/Files/S3/initialize.js: Updated the initializeS3 function to read the AWS_ENDPOINT_URL from the environment and conditionally include it in the S3 client configuration. [1] [2]

Change Type

• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

Testing

Please describe your test process and include instructions so that we can reproduce your test. If there are any important variables for your testing configuration, list them here.

Test Configuration:

Checklist

• My code adheres to this project's style guidelines
• I have performed a self-review of my own code
• I have commented in any complex areas of my code
• I have made pertinent documentation changes
• My changes do not introduce new warnings
• I have written tests demonstrating that my changes are effective or that my feature works
• Local unit tests pass with my changes
• Any changes dependent on mine have been merged and published in downstream modules.
• A pull request for updating the documentation has been submitted.

[rubentalstra]

@danny-avila Ready for review ✅

works: #6142 (comment)