chore(doc):add json sccheme for configuration file

[irvingoujAtDevolution]

Make it easier for manually editing the config file, it can be referenced directly with GitHub URL and users will receives update when we make changes in this file.

[github-actions]

Let maintainers know that an action is required on their side

• Add the label release-required Please cut a new release (Devolutions Gateway, Devolutions Agent, Jetsocat, PowerShell module) when you request a maintainer to cut a new release (Devolutions Gateway, Devolutions Agent, Jetsocat, PowerShell module)

• Add the label release-blocker Follow-up is required before cutting a new release if a follow-up is required before cutting a new release

• Add the label publish-required Please publish libraries (`Devolutions.Gateway.Utils`, OpenAPI clients, etc) when you request a maintainer to publish libraries (Devolutions.Gateway.Utils, OpenAPI clients, etc.)

• Add the label publish-blocker Follow-up is required before publishing libraries if a follow-up is required before publishing libraries

[CBenoit]

Why not! Can you add the description field too? The readme is documenting everything, you could take the descriptions from there.

[irvingoujAtDevolution]

Why not! Can you add the description field too? The readme is documenting everything, you could take the descriptions from there.

Updated