CloudShell -- create stable 2018-10-01 and preview 2020-04-01 swagger…

… apis (#8895)

* add specification for stable and preview version

* readme and remove aci examples

* service name

* service name

* style fixes

* change casing on filename

* run pretty fix

* fix headers

* add operation ids

* fix lintdiff errors

* Delete cloudShell.json

* Delete cloudShell.json

* add patch examples

* add proper responses

* fix schema

* remove schema level

* add missing responses

* parameter title fixes

* change body title to parameters

* more parameters fixes

* change body to properties

* fix typo

* fix enums

* remove preview file from readme

* add schema to putusersettingsresponse

* fix version and removed required property

* remove mislabeled file

* run prettier

* add modelAsString

* run prettier

* add resource definition with parameter

* run prettier

* add resource more places

* lint fixes

Co-authored-by: Robin Sturm <rosturm@microsoft.com>

custom-words.txt

@@ -924,6 +924,7 @@ modelmanagement
 MODIFYACLENTRIES
 monitoringconfiguration
 monitoringconfigurations
+Monospace
 MPNS
 MSAZR
 MSAZRDE
@@ -1160,6 +1161,7 @@ pullrequest
 Purgeable
 pushdown
 pushsettings
+pwsh
 Pyspark
 pytorch
 QFEs