Split Aspire Orchestration Overview article

[alistairmatthews]

Summary

Splits the overgrown .NET Aspire orchestration overview article. Creates a new article titled "Orchestrate resources in .NET Aspire". Moves the discussion of App Host life cycle events into the Eventing in .NET Aspire article.

Fixes #2677

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📄 File	🔗 Preview link
docs/app-host/eventing.md	Eventing in .NET Aspire
docs/community-toolkit/hosting-eventstore.md	.NET Aspire Community Toolkit EventStore integration
docs/community-toolkit/hosting-meilisearch.md	.NET Aspire Community Toolkit Meilisearch integration
docs/community-toolkit/ollama.md	.NET Aspire Community Toolkit Ollama integration
docs/database/milvus-integration.md	docs/database/milvus-integration
docs/database/mongodb-integration.md	.NET Aspire MongoDB database integration
docs/database/oracle-entity-framework-integration.md	.NET Aspire Oracle Entity Framework Core integration
docs/database/qdrant-integration.md	.NET Aspire Qdrant integration
docs/fundamentals/app-host-overview.md	.NET Aspire orchestration overview
docs/fundamentals/orchestrate-resources.md	docs/fundamentals/orchestrate-resources
docs/get-started/build-your-first-aspire-app.md	Quickstart: Build your first .NET Aspire solution
docs/logging/seq-integration.md	.NET Aspire Seq integration
docs/messaging/azure-service-bus-integration.md	.NET Aspire Azure Service Bus integration
docs/messaging/kafka-integration.md	docs/messaging/kafka-integration
docs/messaging/nats-integration.md	.NET Aspire NATS integration
docs/messaging/rabbitmq-integration.md	.NET Aspire RabbitMQ integration
docs/search/elasticsearch-integration.md	.NET Aspire Elasticsearch integration (Preview)
docs/toc.yml	docs/toc
docs/whats-new/dotnet-aspire-9.1.md	What's new in .NET Aspire 9.1
docs/whats-new/dotnet-aspire-9.md	What's new in .NET Aspire 9.0

[IEvangelist]

@alistairmatthews - this is missing the TOC updates.

[alistairmatthews]

@alistairmatthews - this is missing the TOC updates.

Yes, sorry! It should be fixed now, plus a temporary file has been removed. I'm just going to chase down those build warnings as well.

[alistairmatthews]

Done. I put the new "Orchestrate resources in .NET Aspire" document under App Host/Orchestrate in the TOC, just because that seemed the logical place.