Support for JSON schema for garnet configuration file

### Feature request type

enhancement

### Is your feature request related to a problem? Please describe

This will enable IntelliSense when editing a `garnet.conf` file in vscode and other schema-store supporting IDE's

### Describe the solution you'd like

https://github.com/SchemaStore/schemastore/issues/3986

we could use the https://docs.json-everything.net/schema/schemagen/schema-generation/ library for this which also supports dotnet comments for the generated schema

### Describe alternatives you've considered

_No response_

### Additional context

This repo would include a json-schema file that would be generated based on the [`Options.cs`](https://github.com/microsoft/garnet/blob/main/libs/host/Configuration/Options.cs)` file, then in https://github.com/SchemaStore/schemastore/blob/master/src/api/json/catalog.json an entry will be added for garnet