Ensure most demos have descriptions and screenshots

Author: aaronfranke

2d/dodge_the_creeps/README.md

@@ -33,6 +33,12 @@ _global_script_class_icons={
 [application]
 
 config/name="2D Physics Tests"
+config/description="This demo contains a series of tests for the 2D physics engine.
+
+They can be used for different purpose:
+
+- Functional tests to check for regressions and behavior of the 2D physics engine
+- Performance tests to evaluate performance of the 2D physics engine"
 run/main_scene="res://main.tscn"
 config/icon="res://icon.png"
 

2d/dodge_the_creeps/screenshots/.gdignore

@@ -21,6 +21,9 @@ _global_script_class_icons={
 [application]
 
 config/name="Skeleton2D Demo"
+config/description="This demo shows how to create a rigged and animated character in 2D using
+Godot's Skeleton2D node. There are several movement-related animations and
+there is a simple character controller that controls the animations."
 run/main_scene="res://level.tscn"
 config/icon="res://icon.png"
 

2d/dodge_the_creeps/screenshots/dodge.png

@@ -27,6 +27,12 @@ _global_script_class_icons={
 [application]
 
 config/name="3D Physics Tests"
+config/description="This demo contains a series of tests for the 3D physics engine.
+
+They can be used for different purposes:
+
+- Functional tests to check for regressions and compare the behavior between physics engines
+- Performance tests to evaluate and compare performance between physics engines"
 run/main_scene="res://main.tscn"
 config/icon="res://icon.png"