[contoso] Move TSP for folder structure v2

[mikeharder]

Changelog

1. Move TSP sources from contosowidgetmanager/Contoso.WidgetManager to contosowidgetmanager/data-plane/Azure.Contoso.WidgetManager.
2. Move TSP sources from contosowidgetmanager/Contoso.Management to contosowidgetmanager/resource-manager/Microsoft.Contoso.
3. Copy contosowidgetmanager/Contoso.WidgetManager.Shared/main.tsp to shared.tsp in both data-plane and resource-manager folders.
4. Update emitter-output-dir in tspconfig.yaml files for new folder depth
5. Add arm-types-dir in resource-manager/.../tspconfig.yaml for new folder depth

Note: Ignore temp infra changes outside folder specification/contosowidgetmanager

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PR validation pipeline restarted successfully. If there is ApiView generated, it will be updated in this comment.

[github-actions]

API Change Check

APIView identified API level changes in this PR and created the following API reviews

Language	API Review for Package
Swagger	Azure.Contoso.WidgetManager
Swagger	Microsoft.Contoso

[JeffreyRichter]

The folder structure should be identical to what you did in https://github.com/Azure/azure-rest-api-specs/pull/34677/files

It's just that the tspconfig.yaml, TS files & examples folders also go in the ServiceName folders

[mikeharder]

The folder structure should be identical to what you did in https://github.com/Azure/azure-rest-api-specs/pull/34677/files

It's just that the tspconfig.yaml, TS files & examples folders also go in the ServiceName folders

I was intentionally splitting the changes to TSP and changes to readme/swagger into separate PRs for analysis. I can create a third PR with both changes merged.