CodeGen from PR 17439 in Azure/azure-rest-api-specs

Dev IoT Central Microsoft.IotCentral 2021-11-01-preview (#17439)

* Adds base for updating Microsoft.IoTCentral from version stable/2021-06-01 to version 2021-11-01-preview

* Updates readme

* Updates API version in new specs and examples

* Initial update of IoT Central r resource definition

* Initial work on private endpoint connection apis

* more work on the private endpoint apis

* removing some comments

* updating put api

* Adding examples

* Fixing example file

* Fixing api spec formatting

* Formatting examples

* Updating use of  in App model definition

* ...

* Getting rid of  definition

* Referencing the common types Resource Def instead

* ...

* more updates

* more updates

* more updates 2:30PM

* more updates 4:20

* Adding private link api

* fixing the schema used by private link list

* Fix private link list example

* addressing some comments

* marking default responses as error responses

* Updating examples

* removing body from some example responses

* Adding x-ms-identifier

* deleting invisible characters

* Adding a common privatelinks.json v4

* updating network ruleset properties

* forgot to update examples

* trying to remove default responses from example files

* Rogelio's comments

* moving to the more common 'groupId' private link resource name

* fixes and a revert of a change for breaking changes

* rule fixes

* adding list identifier for operations

* fixed one rule and broke another

* fixing broken validation rules

* finishing up changes for ro's comments

* updates

* adding type to resource def

* updating casing of iotApps to IoTApps

* changing back to camelCased 'iotApps'

* Delete old privatepreview version from repo

* patch back to 202

* example fix and suppression

* trying another supression config

* improving async header documentation

* trying to deduplicate schema definitions

* updating the status response schemas for long running apis

* updating examples

* removing status responses from async apis

* suppressing another error for networking

* Update delete response codes

* forgot to update delete operations

* Updating response codes for put and delete apis

* move from azure-asyncoperation to location header

* Captilizing headers in examples

* standardizing capitalization of 'IoT'

* Adding provisioning state property

* Adding 201 response to Application PUT

* commit to start validation checks after tooling update

* removing location header from put requests

* adding azure-asyncoperation header back

* adding a better description to the azure-asyncoperation header

Author: SDKAuto