Web ant94 2021 02 01 attempt 2 (#15548)

* Adds base for updating Microsoft.Web from version stable/2021-01-15 to version 2021-02-01

* Updates readme

* Updates API version in new specs and examples

* Changes for api-version 2012-02-01 (#15545)

* Address PR comments - AppServiceCertificateOrders (#15561)

* Changes for api-version 2012-02-01

* Address PR comments - AppServiceCertificatesOrder

* Fix spelling issue

* Fix summary+description for GET siteseal

* Add reseller to custom words

* Make DedicatedHostCount R/W (#15580)

Co-authored-by: Chris Chen <[email protected]>

Author: naveedaz

custom-words.txt

@@ -1585,6 +1585,7 @@ reranker
 Reranker
 Reregister
 Rescan
+reseller
 reservationorders
 resetapikey
 resetconnection