Add Dialogue Manager to the list of plugins (#248)

Co-authored-by: Hugo Locurcio <[email protected]>

README.md

@@ -171,6 +171,7 @@ See [Vivraan/godot-lang-support](https://github.com/Vivraan/godot-lang-support).
 - [AutoColliders](https://github.com/graycastle/godot-AutoColliders) - Allows the automatic generation of colliders for Sprites, with planned expansion to handle 3D meshes in the future (Godot 3.x).
 - [BoxCam2D](https://github.com/samdaiya/BoxCam2D) - Simplest way to implement grid-based 2D camera movement (Godot 3.x).
 - [CRT Shader](https://github.com/hiulit/Godot-3-2D-CRT-Shader) - A Godot shader that simulates CRT Displays with many shader parameters (Godot 3.x).
+- [Dialogue Manager](https://github.com/nathanhoad/godot_dialogue_manager) - A simple but powerful text based branching dialogue editor and runtime (Godot 3.x).
 - [EffekseerForGodot3](https://github.com/effekseer/EffekseerForGodot3) - Import [Effekseer](https://effekseer.github.io/en/) particle effects (Godot 3.x).
 - [Escoria](https://github.com/godotengine/escoria) - Point & click adventure game framework (Godot 2.1, 3.2+).
 - [GdUnit3](https://github.com/MikeSchulze/gdUnit3) - Godot Unit Testing Framework (Godot 3.x).