Update Readme with Gist and Net Core.

Author: ricaun

README.md

@@ -17,16 +17,20 @@ This project was generated by the [AppLoader](https://ricaun.com/apploader/) Rev
 * Compile multiple `IExternalCommand` at once with Revit opened.
 * Generate `PushButton` with the compiled `IExternalCommand` with `IExternalCommandAvailability`.
 * AutoUpdate plugin using [ricaun.Revit.Github](https://github.com/ricaun-io/ricaun.Revit.Github).
+* `Gist` link downloads the content and compiles each file.
 
-## Limitations
+## Compiler Limitations
 
-In Revit 2021+ the `CodeDom.Compiler` uses the [Roslyn](https://github.com/aspnet/RoslynCodeDomProvider) version compiler. 
-The Roslyn compiler is a new compiler that supports C# version 6 and above.
-
-`CodeDom.Compiler` only work with C# compiler version `v4.0` maximum, the following features do not work in C# version 4.
+Revit 2017 to 2020 the `CodeDom.Compiler` only work with C# compiler version `v4.0` maximum, the following features do not work in C# version 4.
 * Async Features (C# version 5)
 * String interpolation (C# version 6)
 
+Revit 2021 to 2024 the `CodeDom.Compiler` uses the [Roslyn](https://github.com/aspnet/RoslynCodeDomProvider) version compiler. The Roslyn compiler is a new compiler that supports C# version 6 and above.
+
+Revit 2025+ the `CodeDom.Compiler` uses the [Microsoft.CodeAnalysis.CSharp](https://www.nuget.org/packages/Microsoft.CodeAnalysis.CSharp/) to work with NET Core.
+
+The [RevitAddin.CommandLoader.Tests](RevitAddin.CommandLoader.Tests) have some tests to make sure the compiler works in Net Framework and Net Core.
+
 ## Customize `IExternalCommand`
 
 Using `System.ComponentModel` attributes is possible to customize the `IExternalCommand` that is generated in the Revit ribbon.
@@ -39,6 +43,8 @@ If `IExternalCommandAvailability` is added in the same `IExternalCommand` class
 
 ### Example
 
+The command below show the version of Revit in a `MessageBox`.
+
 ```c#
 using System;
 using System.ComponentModel;
@@ -68,7 +74,17 @@ namespace RevitAddin
 }
 ```
 
+### Gist Example
+
+The `RevitAddin.CommandLoader` have the feature to download `gist` files from GitHub and compile the `IExternalCommand` with the `gist` file.
+
+Just copy the `gist` link in the `RevitAddin.CommandLoader` compiler and execute. 
+
+* [CommandVersion](https://gist.github.com/ricaun/200a576c3baa45cba034ceedac1e708e) - File with Revit defines.
+* [CommandCreate](https://gist.github.com/ricaun/4f62b8650d29f1ff837e7e77f9e8b552) - Multiple file each with a `IExternalCommand`.
+
 ## Resources
+
 * [ricaun.Revit.UI](https://github.com/ricaun-io/ricaun.Revit.UI)
 * [ricaun.Revit.Mvvm](https://github.com/ricaun-io/ricaun.Revit.Mvvm)
 * [ricaun.Revit.Github](https://github.com/ricaun-io/ricaun.Revit.Github)