feat: add initial People Playground mod development kit

extracted_wiki_content/internalReference/energyswordmotionblur.txt

@@ -0,0 +1,44 @@
+URL: https://wiki.studiominus.nl/internalReference/EnergySwordMotionBlur.html
+Title: People Playground Modding - EnergySwordMotionBlur
+==================================================
+
+public class EnergySwordMotionBlur
+Inherits MonoBehaviour
+Controls the energy sword trail
+Nested types
+EnergySwordMotionBlur.Node
+Fields
+public MeshRenderer MeshRenderer
+[SkipSerialisation]
+Reference to the MeshRenderer that will be used
+
+public MeshFilter MeshFilter
+[SkipSerialisation]
+Reference to the MeshFilter that will be used
+
+public float Life
+[SkipSerialisation]
+The length of the trail
+
+public float MinDistance
+[SkipSerialisation]
+The minimum distance the blade needs to move in order to create a new node
+
+public Rigidbody2D Rigidbody
+[SkipSerialisation]
+Reference to the relevant rigidbody
+
+public Transform B
+[SkipSerialisation]
+The two transforms that indicate the line segment that needs to have a trail following it
+
+public Gradient ColorOverMesh
+[SkipSerialisation]
+The colour of the mesh over the length
+
+public bool SendToBottomLayer
+[Space]
+Puts the blur mesh into the bottom sorting layer
+
+public bool MakeBottomColorTransparent
+Makes the bottom colors of the mesh transparent. I added this for the sword. I hate this.