[SRP] 2021-06-01 Swagger Api (Azure#15627)

* Add June21 Swagger Api version, Updated Readme files

* adding abort and hnson migration swagger API

* swagger: marking requesttype as required parameter for hns onmigration

* Added new PublicNetworkAccess property to swagger spec

* Add enableNfsV3RootSquash and enableNfsV3AllSquash to June21 swagger

* Add Account Level VLW Swagger changes and example

* Update Blob Inventory Api comment to include AccessTierInferred and Tags

* Rename HnsOn to hierarchical namespace

* [Swagger] [June21] Added defaultToOAuthAuthentication to swagger spec

* Update Spell check custom words list. Correct incorrect spellings

* Add missing refrences to PublicNetworkAccess Examples

* Add required type:object, Add default return type for hns migration apis

* Prettier tool update to storage.json

* Add update account with immutability policy example

* Removed StorageFileDataSmbShareOwner as Server side does not support it

* Add AllowProtectedAppendWritesAll feature changes with example

* Updated enum values and description for PublicNetworkAccess

* Add type:object to ProtectedAppendWritesHistory ; Spellcheck

Author: HimanshuChhabra

custom-words.txt

@@ -2362,3 +2362,5 @@ Tebibytes
 privatelinkservicesforpowerbi
 Obuscated
 NodePool
+hnsonmigration
+aborthnsonmigration