Add ReactiveOwningComponent

[Lapish]

Can you add an Reactive implementation for OwningComponentBase in Reactive.Blazor? It can be usefull in scoped lifetime cycle(wasm project).

[glennawatson]

Be happy to take a PR for this one if you like. Be a good first intro to the project.

[BekAllaev]

Hey @glennawatson. Does somebody work on this issue? If not can I take it?

[glennawatson]

Go for it.

[BekAllaev]

Sorry @glennawatso, but could you please briefly explain what should be done in this issue?