feat: refine code-first API with enhanced section binding and validation mechanisms - #191

The using directive for 'Confix.Extensions' appeared previously in this namespace

Possible null reference argument for parameter 'source' in 'IEnumerable<EvaluationResults> Enumerable.Where<EvaluationResults>(IEnumerable<EvaluationResults> source, Func<EvaluationResults, bool> predicate)'.

Non-nullable property 'ReferenceResolver' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Possible null reference assignment.

Possible null reference assignment.

Non-nullable property 'ContextData' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'ContextData' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Nullability of type of parameter 'type' doesn't match overridden member (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'instance' of 'bool FeatureCollection.TryGet<TFeature>(out TFeature instance)' doesn't match implicitly implemented member 'bool IFeatureCollection.TryGet<TFeature>(out TFeature? instance)' (possibly because of nullability attributes).