Impl invite chatroom member. Close #69

WeChatFerry/rpc/proto/wcf.proto

@@ -32,6 +32,7 @@ enum Functions {
     FUNC_DECRYPT_IMAGE    = 0x60;
     FUNC_ADD_ROOM_MEMBERS = 0x70;
     FUNC_DEL_ROOM_MEMBERS = 0x71;
+    FUNC_INV_ROOM_MEMBERS = 0x72;
 }
 
 message Request
@@ -45,7 +46,7 @@ message Request
         PathMsg file   = 5;
         DbQuery query  = 6;
         Verification v = 7;
-        AddMembers m   = 8;
+        MemberMgmt m   = 8;  // 群成员管理，添加、删除、邀请
         XmlMsg xml     = 9;
         DecPath dec    = 10;
         Transfer tf    = 11;
@@ -160,7 +161,7 @@ message Verification
     int32 scene = 3; // 添加方式：17 名片，30 扫码
 }
 
-message AddMembers
+message MemberMgmt
 {
     string roomid = 1; // 要加的群ID
     string wxids  = 2; // 要加群的人列表，逗号分隔