Link to C# versions of Dodge/Squash the Creeps demos in Your first game intros

Author: Calinou

getting_started/first_2d_game/index.rst

@@ -42,7 +42,8 @@ before tackling 3D games, which tend to be more complicated.
 
 You can find a completed version of this project at this location:
 
-- https://github.com/godotengine/godot-demo-projects/tree/master/2d/dodge_the_creeps
+- `Dodge the Creeps source code (GDScript) <https://github.com/godotengine/godot-demo-projects/tree/master/2d/dodge_the_creeps>`__
+- `Dodge the Creeps source code (C#) <https://github.com/godotengine/godot-demo-projects/tree/master/mono/dodge_the_creeps>`__
 
 Prerequisites
 -------------

getting_started/first_3d_game/index.rst

@@ -32,8 +32,10 @@ And more.
 This tutorial is for beginners who followed the complete getting started series.
 We'll start slow with detailed instructions and shorten them as we do similar
 steps. If you're an experienced programmer, you can browse the complete demo's
-source code here: `Squash the Creep source code
-<https://github.com/godotengine/godot-demo-projects/tree/master/3d/squash_the_creeps>`__.
+source code here:
+
+- `Squash the Creeps source code (GDScript) <https://github.com/godotengine/godot-demo-projects/tree/master/3d/squash_the_creeps>`__
+- `Squash the Creeps source code (C#) <https://github.com/godotengine/godot-demo-projects/tree/master/mono/squash_the_creeps>`__
 
 .. note::