* Add note that PathMap should not be used in debug builds.

We have seen several debugger issues with folks specifying this issue. Attempting to update the documentation to try to educate folks about this.

* PR feedback

* remove en-us

* Update rabbitmq-event-bus-development-test-environment.md

Adding a link to Peregrine Connect as another production-ready solution with support for RabbitMQ.

* Apply suggestions from code review

* Update docs/architecture/microservices/multi-container-microservice-net-applications/rabbitmq-event-bus-development-test-environment.md

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Co-authored-by: David Pine <david.pine@microsoft.com>

-Referenced assemblies the first time it was mentioned
-added an informal definition for an assembly.

* addition to top-level statements

* address review comment

Fixed code snippet for array casting example.
Now it works in browser.

* un-publish the static local functions speclet

The ECMA committee has merged the first C# 8.0 feature into the draft spec. Un-publish the related feature spec.

Also, fix some of the anchors that had drifted in the redirection file.

* fix warning

* Fix language descriptor

Fixes #40255

* Update set-operations.md

* move specification content

Create a new TOC for the specification.
Move content to be displayed there.

Create spec landing page

* Create landing page for C# lang reference

Create a landing page for the C# language reference. Create a new TOC for the reference only.
Remove or update links to the old landing page to point at the new page.

* Incorporate compiler messages into reference

* First Hub page draft

* remove temporary links

* C# hub page, take 2

* Update what's new link

* move links

* review pass for the hub

* Try some dotnet-bot images.

* update C# dev kit link for VS Code.

* Apply suggestions from code review

Co-authored-by: Katie Savage <KATIESAVAGE@microsoft.com>

* respond to feedback.

* Apply suggestions from code review

Co-authored-by: Genevieve Warren <24882762+gewarren@users.noreply.github.com>

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Co-authored-by: Katie Savage <KATIESAVAGE@microsoft.com>
Co-authored-by: Genevieve Warren <24882762+gewarren@users.noreply.github.com>