Add support for uuid and interfaces deriving from each other

[jonwis]

While it's not super common, people do say interface IFoo : IInspectable at times.

And they like to specify the [uuid()] on interfaces too.

[Copilot]

Pull Request Overview

This PR adds support for UUID attributes and interface inheritance in IDL files. The changes enable interfaces to inherit from other interfaces (like IInspectable) and allow UUID attributes to be specified on interfaces.

• Added support for interface inheritance syntax using extends clause
• Added uuid and contractversion to the list of supported attributes
• Updated VS Code settings for ESLint configuration

Reviewed Changes

Copilot reviewed 4 out of 6 changed files in this pull request and generated 1 comment.

File	Description
server/src/test/assets/interfaces.idl	Adds test case for interface with UUID attribute and inheritance from IInspectable
server/src/server.ts	Adds uuid and contractversion to completion suggestions
server/src/midl.pegjs	Updates grammar to support optional extends clause in interface declarations
.vscode/settings.json	Updates ESLint setting from boolean to explicit string value

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[Copilot]

The grammar rule is missing the definition for the extends clause. You've added extends? to the interface declaration but there's no corresponding rule defining what extends should match. This will likely cause parsing errors when encountering interface inheritance syntax.

[jonwis]

It's right up there on line 111. Are you sure?