new bot properties openWithHint and appPasswordHint (Azure#15456)

* new bot properties openWithHint and appPasswordHint

* add new properties to 2021-05-01-preview as well

Author: hailiu2586

specification/botservice/resource-manager/Microsoft.BotService/preview/2021-05-01-preview/botservice.json

@@ -1645,6 +1645,14 @@
           "items": {
             "$ref": "./privatelinks.json#/definitions/PrivateEndpointConnection"
           }
+        },
+        "openWithHint": {
+          "type": "string",
+          "description": "The hint to browser (e.g. protocol handler) on how to open the bot for authoring"
+        },
+        "appPasswordHint": {
+          "type": "string",
+          "description": "The hint (e.g. keyVault secret resourceId) on how to fetch the app secret"
         }
       },
       "description": "The parameters to provide for the Bot.",

specification/botservice/resource-manager/Microsoft.BotService/stable/2021-03-01/botservice.json

@@ -1336,6 +1336,14 @@
         "schemaTransformationVersion": {
           "type": "string",
           "description": "The channel schema transformation version for the bot"
+        },
+        "openWithHint": {
+          "type": "string",
+          "description": "The hint to browser (e.g. protocol handler) on how to open the bot for authoring"
+        },
+        "appPasswordHint": {
+          "type": "string",
+          "description": "The hint (e.g. keyVault secret resourceId) on how to fetch the app secret"
         }
       },
       "description": "The parameters to provide for the Bot.",