Adding support for SUPERVISOR and CUSTOM_BOT participant types (#97)

Author: mliao95

Sources/Core/Utils/CommonUtils.swift

@@ -14,6 +14,10 @@ struct CommonUtils {
             return Constants.CUSTOMER
         case AWSConnectParticipantParticipantRole.system.rawValue:
             return Constants.SYSTEM
+        case AWSConnectParticipantParticipantRole.supervisor.rawValue:
+            return Constants.SUPERVISOR
+        case AWSConnectParticipantParticipantRole.customBot.rawValue:
+            return Constants.CUSTOM_BOT
         default:
             return Constants.UNKNOWN
         }

Sources/Core/Utils/Constants.swift

@@ -10,6 +10,8 @@ public struct Constants {
     static let AGENT = "AGENT"
     static let CUSTOMER = "CUSTOMER"
     static let SYSTEM = "SYSTEM"
+    static let SUPERVISOR = "SUPERVISOR"
+    static let CUSTOM_BOT = "CUSTOM_BOT"
     static let UNKNOWN = "UNKNOWN"
     static let MESSAGE = "MESSAGE"
     static let ATTACHMENT = "ATTACHMENT"