isRock.Toolbox supported .net core 3.1 & .net fx 472. 
                        
                    
         
                Info
| Version: | 1.0.6 | 
| Author(s): | isRock.Toolbox | 
| Last Update: | Saturday, June 19, 2021 | 
| .NET Fiddle: | Create the first Fiddle | 
| NuGet Url: | https://www.nuget.org/packages/isRock.Toolbox | 
Install
Install-Package isRock.Toolbox
                        dotnet add package isRock.Toolbox
                        paket add isRock.Toolbox
                        
                                isRock.Toolbox Download (Unzip the "nupkg" after downloading)
                            
                        Dependencies
- LineBotSDK(>= 2.0.10)
 - Microsoft.Extensions.Configuration(>= 3.1.1)
 - Microsoft.Extensions.Configuration.Binder(>= 3.1.1)
 - Microsoft.Extensions.Configuration.EnvironmentVariables(>= 3.1.1)
 - Microsoft.Extensions.Configuration.FileExtensions(>= 3.1.1)
 - Microsoft.Extensions.Configuration.Json(>= 3.1.1)
 - Newtonsoft.Json(>= 12.0.3)