fix: add .railwayapp with default settings.yaml

[antonleviathan]

Description

Related Issue

Motivation and Context

How Has This Been Tested?

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Types of changes

• Non-functional change (docs, style, minor refactor)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my code changes.
• All new and existing tests passed.

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

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[antonleviathan]

Seems the best way to deal with this would be to maintain a branch called railway-app which has the .nostr/settings.yaml dir + file set up and an updated railway-app template, until we refactor the relay to use dynamic configs.

[KiPSOFT]

When the merge this pull request ?

[antonleviathan]

@KiPSOFT it's not ready yet, I'm currently working on it. Should be ready by EOD.

[antonleviathan]

main...investinaccess:nostream:main