Ensure most demos have descriptions and screenshots

plugins/README.md

@@ -2,6 +2,8 @@
 
 This contains multiple plugin demos, all placed in a project for convenience.
 
+Due to bug 36713 you need to open the project to import the assets once, then close, then open.
+
 Please see the documentation for editor plugins:
 https://docs.godotengine.org/en/latest/tutorials/plugins/editor/index.html
 
@@ -38,3 +40,15 @@ If you make a zip that contains the folder, Godot will recognize
 it as a plugin and will allow you to install it.
 
 This can be done via the terminal: `zip -r custom_node.zip custom_node/*`
+
+## Screenshots
+
+![Heart Plugin](screenshots/heart_plugin.png)
+
+![Main Screen Plugin](screenshots/main_screen_plugin.png)
+
+![Material Import Plugin](screenshots/material_import_plugin.png)
+
+![Material Creator Plugin 1](screenshots/material_creator_plugin_1.png)
+
+![Material Creator Plugin 2](screenshots/material_creator_plugin_2.png)

plugins/project.godot

@@ -11,7 +11,15 @@ config_version=4
 [application]
 
 config/name="Plugin Demos"
-config/description="This contains multiple plugin demos, all placed in a project for convenience."
+config/description="This contains multiple plugin demos, all placed in a project for convenience.
+Due to bug 36713 you need to open the project to import the assets once, then close, then open.
+
+This project contains 4 plugins:
+
+* The custom node plugin shows how to create a custom node type using `add_custom_type`.
+* The material import plugin shows how to make a plugin handle importing a custom file type (mtxt).
+* The material creator plugin shows how to add a custom dock with some simple functionality.
+* The main screen plugin is a minimal example of how to create a plugin with a main screen."
 run/main_scene="res://test_scene.tscn"
 config/icon="res://icon.png"
 

plugins/test_scene.tscn

@@ -17,3 +17,6 @@ material/0 = null
 
 [node name="HandledByMainScreen" type="Node" parent="."]
 script = ExtResource( 1 )
+
+[node name="DirectionalLight" type="DirectionalLight" parent="."]
+transform = Transform( 0.866025, -0.433013, 0.25, 0, 0.5, 0.866025, -0.5, -0.75, 0.433013, 0, 0, 0 )