Fix #184: Anonymous Admins: support for is_anonymous flag

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMember/AdministratorChatMemberImpl.kt

@@ -14,5 +14,6 @@ data class AdministratorChatMemberImpl(
     override val canRestrictMembers: Boolean,
     override val canPinMessages: Boolean,
     override val canPromoteMembers: Boolean,
+    override val isAnonymous: Boolean,
     override val customTitle: String?
 ) : AdministratorChatMember

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMember/CreatorChatMember.kt

@@ -5,6 +5,7 @@ import dev.inmo.tgbotapi.types.User
 
 data class CreatorChatMember(
     override val user: User,
+    override val isAnonymous: Boolean,
     override val customTitle: String?
 ) : AdministratorChatMember {
     override val canBeEdited: Boolean = true

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMember/RawChatMember.kt

@@ -40,12 +40,14 @@ internal data class RawChatMember(
     private val canSendOtherMessages: Boolean = false,
     @SerialName(canAddWebPagePreviewsField)
     private val canAddWebPagePreviews: Boolean = false,
+    @SerialName(isAnonymousField)
+    private val isAnonymous: Boolean = false,
     @SerialName(customTitleField)
     private val customTitle: String? = null
 ) {
     val asChatMember: ChatMember by lazy {
         when (status) {
-            "creator" -> CreatorChatMember(user, customTitle)
+            "creator" -> CreatorChatMember(user, isAnonymous, customTitle)
             "administrator" -> AdministratorChatMemberImpl(
                 user,
                 canBeEdited,
@@ -57,6 +59,7 @@ internal data class RawChatMember(
                 canRestrictMembers,
                 canPinMessages,
                 canPromoteMembers,
+                isAnonymous,
                 customTitle
             )
             "member" -> MemberChatMember(user)

tgbotapi.core/src/commonMain/kotlin/dev/inmo/tgbotapi/types/ChatMember/abstracts/AdministratorChatMember.kt

@@ -7,5 +7,6 @@ interface AdministratorChatMember : SpecialRightsChatMember {
     val canRemoveMessages: Boolean
     val canRestrictMembers: Boolean
     val canPromoteMembers: Boolean
+    val isAnonymous: Boolean
     val customTitle: String?
 }