Realm

To define a realm, use the realm function from the framework. The function passed to realm must return an object with the following properties:

url: the URL of the realm
validation: validation schema for the realm config
children: paths from which to load the layers or other realms
...rest: the rest of the properties are used for config activations. Each activation contains properties for turning on layers or configuring adapters, orchestrators or handlers. For example the property test usually activates all layers, that are needed during the automated tests, for example:
```
{
    test: {
        adapter: true,
        orchestrator: true,
        gateway: true,
        test: true
    }
}
```
Or the default activation can configure adapter properties:
```
{
    default: {
        backend: {
            logLevel: 'fatal'
        }
    }
}
```

Realm example:

// realmname/server.ts
import {realm} from '@feasibleone/blong';

export default realm(blong => ({
    url: import.meta.url,
    validation: blong.type.Object({}),
    children: ['./adapter'],
    // config activations
    config: {
        default: {},
        test: {
            adapter: true
        },
        realm: {
            adapter: true
        },
    }
}));